Home / 4,759.27-7,139.59-1,472.65

Finding the Fourth Proportional to 4,759.27, 7,139.59 and 1,472.65

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Solution

The fourth proportional to 4,759.27, 7,139.59 and 1,472.65 is: 2,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.27 : 7,139.59 = 1,472.65 : x
  2. Step 2: Convert to fraction form
    4,759.27/7,139.59 = 1,472.65/x
  3. Step 3: Cross multiply
    4,759.27x = 7,139.59 × 1,472.65
  4. Step 4: Simplify right side
    4,759.27x = 10,514,117.21
  5. Step 5: Solve for x
    x = 10,514,117.21/4,759.27
  6. Step 6: Final answer
    x = 2,209.19

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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.