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Finding the Fourth Proportional to 6,554.13, 9,757.08 and 6,515.22

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Solution

The fourth proportional to 6,554.13, 9,757.08 and 6,515.22 is: 9,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.13 : 9,757.08 = 6,515.22 : x
  2. Step 2: Convert to fraction form
    6,554.13/9,757.08 = 6,515.22/x
  3. Step 3: Cross multiply
    6,554.13x = 9,757.08 × 6,515.22
  4. Step 4: Simplify right side
    6,554.13x = 63,569,522.76
  5. Step 5: Solve for x
    x = 63,569,522.76/6,554.13
  6. Step 6: Final answer
    x = 9,699.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.