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Finding the Fourth Proportional to 8,153.46, 12,230.46 and 4,998.24

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Solution

The fourth proportional to 8,153.46, 12,230.46 and 4,998.24 is: 7,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.46 : 12,230.46 = 4,998.24 : x
  2. Step 2: Convert to fraction form
    8,153.46/12,230.46 = 4,998.24/x
  3. Step 3: Cross multiply
    8,153.46x = 12,230.46 × 4,998.24
  4. Step 4: Simplify right side
    8,153.46x = 61,130,774.39
  5. Step 5: Solve for x
    x = 61,130,774.39/8,153.46
  6. Step 6: Final answer
    x = 7,497.53

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Half scale
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Double scale
Find fourth proportional to 8,154.46, 12,231.96 and 4,999.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.