Home / 9,631.68-13,292.40-5,440.56

Finding the Fourth Proportional to 9,631.68, 13,292.40 and 5,440.56

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Solution

The fourth proportional to 9,631.68, 13,292.40 and 5,440.56 is: 7,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.68 : 13,292.40 = 5,440.56 : x
  2. Step 2: Convert to fraction form
    9,631.68/13,292.40 = 5,440.56/x
  3. Step 3: Cross multiply
    9,631.68x = 13,292.40 × 5,440.56
  4. Step 4: Simplify right side
    9,631.68x = 72,318,099.74
  5. Step 5: Solve for x
    x = 72,318,099.74/9,631.68
  6. Step 6: Final answer
    x = 7,508.36

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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.