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Finding the Fourth Proportional to 7,652.56, 10,559.28 and 4,508.32

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Solution

The fourth proportional to 7,652.56, 10,559.28 and 4,508.32 is: 6,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.56 : 10,559.28 = 4,508.32 : x
  2. Step 2: Convert to fraction form
    7,652.56/10,559.28 = 4,508.32/x
  3. Step 3: Cross multiply
    7,652.56x = 10,559.28 × 4,508.32
  4. Step 4: Simplify right side
    7,652.56x = 47,604,613.21
  5. Step 5: Solve for x
    x = 47,604,613.21/7,652.56
  6. Step 6: Final answer
    x = 6,220.74

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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.