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Finding the Fourth Proportional to 7,753.70, 10,699.29 and 4,609.46

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Solution

The fourth proportional to 7,753.70, 10,699.29 and 4,609.46 is: 6,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.70 : 10,699.29 = 4,609.46 : x
  2. Step 2: Convert to fraction form
    7,753.70/10,699.29 = 4,609.46/x
  3. Step 3: Cross multiply
    7,753.70x = 10,699.29 × 4,609.46
  4. Step 4: Simplify right side
    7,753.70x = 49,317,949.28
  5. Step 5: Solve for x
    x = 49,317,949.28/7,753.70
  6. Step 6: Final answer
    x = 6,360.57

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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.