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Finding the Fourth Proportional to 5,607.60, 8,376.06 and 5,452.08

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Solution

The fourth proportional to 5,607.60, 8,376.06 and 5,452.08 is: 8,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.60 : 8,376.06 = 5,452.08 : x
  2. Step 2: Convert to fraction form
    5,607.60/8,376.06 = 5,452.08/x
  3. Step 3: Cross multiply
    5,607.60x = 8,376.06 × 5,452.08
  4. Step 4: Simplify right side
    5,607.60x = 45,666,949.20
  5. Step 5: Solve for x
    x = 45,666,949.20/5,607.60
  6. Step 6: Final answer
    x = 8,143.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.