Home / 8,230.11-12,348.26-4,900.28

Finding the Fourth Proportional to 8,230.11, 12,348.26 and 4,900.28

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Solution

The fourth proportional to 8,230.11, 12,348.26 and 4,900.28 is: 7,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.11 : 12,348.26 = 4,900.28 : x
  2. Step 2: Convert to fraction form
    8,230.11/12,348.26 = 4,900.28/x
  3. Step 3: Cross multiply
    8,230.11x = 12,348.26 × 4,900.28
  4. Step 4: Simplify right side
    8,230.11x = 60,509,931.51
  5. Step 5: Solve for x
    x = 60,509,931.51/8,230.11
  6. Step 6: Final answer
    x = 7,352.26

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Double scale
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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.