Home / 5,472.81-8,209.17-1,577.22

Finding the Fourth Proportional to 5,472.81, 8,209.17 and 1,577.22

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Solution

The fourth proportional to 5,472.81, 8,209.17 and 1,577.22 is: 2,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.81 : 8,209.17 = 1,577.22 : x
  2. Step 2: Convert to fraction form
    5,472.81/8,209.17 = 1,577.22/x
  3. Step 3: Cross multiply
    5,472.81x = 8,209.17 × 1,577.22
  4. Step 4: Simplify right side
    5,472.81x = 12,947,667.11
  5. Step 5: Solve for x
    x = 12,947,667.11/5,472.81
  6. Step 6: Final answer
    x = 2,365.82

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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.