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Finding the Fourth Proportional to 7,068.70, 9,755.58 and 4,044.10

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Solution

The fourth proportional to 7,068.70, 9,755.58 and 4,044.10 is: 5,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.70 : 9,755.58 = 4,044.10 : x
  2. Step 2: Convert to fraction form
    7,068.70/9,755.58 = 4,044.10/x
  3. Step 3: Cross multiply
    7,068.70x = 9,755.58 × 4,044.10
  4. Step 4: Simplify right side
    7,068.70x = 39,452,535.31
  5. Step 5: Solve for x
    x = 39,452,535.31/7,068.70
  6. Step 6: Final answer
    x = 5,581.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.