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Finding the Fourth Proportional to 7,652.72, 10,559.36 and 4,295.08

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Solution

The fourth proportional to 7,652.72, 10,559.36 and 4,295.08 is: 5,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.72 : 10,559.36 = 4,295.08 : x
  2. Step 2: Convert to fraction form
    7,652.72/10,559.36 = 4,295.08/x
  3. Step 3: Cross multiply
    7,652.72x = 10,559.36 × 4,295.08
  4. Step 4: Simplify right side
    7,652.72x = 45,353,221.68
  5. Step 5: Solve for x
    x = 45,353,221.68/7,652.72
  6. Step 6: Final answer
    x = 5,926.42

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Half scale
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Double scale
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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.