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Finding the Fourth Proportional to 7,675.56, 10,591.56 and 4,318.52

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Solution

The fourth proportional to 7,675.56, 10,591.56 and 4,318.52 is: 5,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.56 : 10,591.56 = 4,318.52 : x
  2. Step 2: Convert to fraction form
    7,675.56/10,591.56 = 4,318.52/x
  3. Step 3: Cross multiply
    7,675.56x = 10,591.56 × 4,318.52
  4. Step 4: Simplify right side
    7,675.56x = 45,739,863.69
  5. Step 5: Solve for x
    x = 45,739,863.69/7,675.56
  6. Step 6: Final answer
    x = 5,959.16

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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.