Home / 8,947.53-13,421.42-2,707.59

Finding the Fourth Proportional to 8,947.53, 13,421.42 and 2,707.59

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Solution

The fourth proportional to 8,947.53, 13,421.42 and 2,707.59 is: 4,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.53 : 13,421.42 = 2,707.59 : x
  2. Step 2: Convert to fraction form
    8,947.53/13,421.42 = 2,707.59/x
  3. Step 3: Cross multiply
    8,947.53x = 13,421.42 × 2,707.59
  4. Step 4: Simplify right side
    8,947.53x = 36,339,689.04
  5. Step 5: Solve for x
    x = 36,339,689.04/8,947.53
  6. Step 6: Final answer
    x = 4,061.42

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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.