Home / 9,031.28-13,545.48-3,187.04

Finding the Fourth Proportional to 9,031.28, 13,545.48 and 3,187.04

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Solution

The fourth proportional to 9,031.28, 13,545.48 and 3,187.04 is: 4,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.28 : 13,545.48 = 3,187.04 : x
  2. Step 2: Convert to fraction form
    9,031.28/13,545.48 = 3,187.04/x
  3. Step 3: Cross multiply
    9,031.28x = 13,545.48 × 3,187.04
  4. Step 4: Simplify right side
    9,031.28x = 43,169,986.58
  5. Step 5: Solve for x
    x = 43,169,986.58/9,031.28
  6. Step 6: Final answer
    x = 4,780.05

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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.