Home / 8,947.38-13,421.79-2,373.51

Finding the Fourth Proportional to 8,947.38, 13,421.79 and 2,373.51

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Solution

The fourth proportional to 8,947.38, 13,421.79 and 2,373.51 is: 3,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.38 : 13,421.79 = 2,373.51 : x
  2. Step 2: Convert to fraction form
    8,947.38/13,421.79 = 2,373.51/x
  3. Step 3: Cross multiply
    8,947.38x = 13,421.79 × 2,373.51
  4. Step 4: Simplify right side
    8,947.38x = 31,856,752.78
  5. Step 5: Solve for x
    x = 31,856,752.78/8,947.38
  6. Step 6: Final answer
    x = 3,560.46

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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.