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Finding the Fourth Proportional to 8,699.33, 13,048.99 and 3,152.66

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Solution

The fourth proportional to 8,699.33, 13,048.99 and 3,152.66 is: 4,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.33 : 13,048.99 = 3,152.66 : x
  2. Step 2: Convert to fraction form
    8,699.33/13,048.99 = 3,152.66/x
  3. Step 3: Cross multiply
    8,699.33x = 13,048.99 × 3,152.66
  4. Step 4: Simplify right side
    8,699.33x = 41,139,029.09
  5. Step 5: Solve for x
    x = 41,139,029.09/8,699.33
  6. Step 6: Final answer
    x = 4,728.99

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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.