Home / 5,425.59-7,489.01-3,533.85

Finding the Fourth Proportional to 5,425.59, 7,489.01 and 3,533.85

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Solution

The fourth proportional to 5,425.59, 7,489.01 and 3,533.85 is: 4,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.59 : 7,489.01 = 3,533.85 : x
  2. Step 2: Convert to fraction form
    5,425.59/7,489.01 = 3,533.85/x
  3. Step 3: Cross multiply
    5,425.59x = 7,489.01 × 3,533.85
  4. Step 4: Simplify right side
    5,425.59x = 26,465,020.32
  5. Step 5: Solve for x
    x = 26,465,020.32/5,425.59
  6. Step 6: Final answer
    x = 4,877.81

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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.