Home / 9,148.40-13,726.20-3,600.80

Finding the Fourth Proportional to 9,148.40, 13,726.20 and 3,600.80

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Solution

The fourth proportional to 9,148.40, 13,726.20 and 3,600.80 is: 5,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.40 : 13,726.20 = 3,600.80 : x
  2. Step 2: Convert to fraction form
    9,148.40/13,726.20 = 3,600.80/x
  3. Step 3: Cross multiply
    9,148.40x = 13,726.20 × 3,600.80
  4. Step 4: Simplify right side
    9,148.40x = 49,425,300.96
  5. Step 5: Solve for x
    x = 49,425,300.96/9,148.40
  6. Step 6: Final answer
    x = 5,402.62

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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.