Home / 5,455.20-7,527.02-3,773.91

Finding the Fourth Proportional to 5,455.20, 7,527.02 and 3,773.91

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Solution

The fourth proportional to 5,455.20, 7,527.02 and 3,773.91 is: 5,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.20 : 7,527.02 = 3,773.91 : x
  2. Step 2: Convert to fraction form
    5,455.20/7,527.02 = 3,773.91/x
  3. Step 3: Cross multiply
    5,455.20x = 7,527.02 × 3,773.91
  4. Step 4: Simplify right side
    5,455.20x = 28,406,296.05
  5. Step 5: Solve for x
    x = 28,406,296.05/5,455.20
  6. Step 6: Final answer
    x = 5,207.20

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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.