Home / 8,925.14-13,387.50-3,081.20

Finding the Fourth Proportional to 8,925.14, 13,387.50 and 3,081.20

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Solution

The fourth proportional to 8,925.14, 13,387.50 and 3,081.20 is: 4,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.14 : 13,387.50 = 3,081.20 : x
  2. Step 2: Convert to fraction form
    8,925.14/13,387.50 = 3,081.20/x
  3. Step 3: Cross multiply
    8,925.14x = 13,387.50 × 3,081.20
  4. Step 4: Simplify right side
    8,925.14x = 41,249,498.06
  5. Step 5: Solve for x
    x = 41,249,498.06/8,925.14
  6. Step 6: Final answer
    x = 4,621.72

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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.