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Finding the Fourth Proportional to 4,428.48, 6,642.48 and 4,373.76

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Solution

The fourth proportional to 4,428.48, 6,642.48 and 4,373.76 is: 6,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.48 : 6,642.48 = 4,373.76 : x
  2. Step 2: Convert to fraction form
    4,428.48/6,642.48 = 4,373.76/x
  3. Step 3: Cross multiply
    4,428.48x = 6,642.48 × 4,373.76
  4. Step 4: Simplify right side
    4,428.48x = 29,052,613.32
  5. Step 5: Solve for x
    x = 29,052,613.32/4,428.48
  6. Step 6: Final answer
    x = 6,560.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.