Home / 5,397.24-7,446.84-4,139.58

Finding the Fourth Proportional to 5,397.24, 7,446.84 and 4,139.58

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Solution

The fourth proportional to 5,397.24, 7,446.84 and 4,139.58 is: 5,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.24 : 7,446.84 = 4,139.58 : x
  2. Step 2: Convert to fraction form
    5,397.24/7,446.84 = 4,139.58/x
  3. Step 3: Cross multiply
    5,397.24x = 7,446.84 × 4,139.58
  4. Step 4: Simplify right side
    5,397.24x = 30,826,789.93
  5. Step 5: Solve for x
    x = 30,826,789.93/5,397.24
  6. Step 6: Final answer
    x = 5,711.58

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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.