Home / 7,067.50-10,602.90-2,387.42

Finding the Fourth Proportional to 7,067.50, 10,602.90 and 2,387.42

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Solution

The fourth proportional to 7,067.50, 10,602.90 and 2,387.42 is: 3,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.50 : 10,602.90 = 2,387.42 : x
  2. Step 2: Convert to fraction form
    7,067.50/10,602.90 = 2,387.42/x
  3. Step 3: Cross multiply
    7,067.50x = 10,602.90 × 2,387.42
  4. Step 4: Simplify right side
    7,067.50x = 25,313,621.91
  5. Step 5: Solve for x
    x = 25,313,621.91/7,067.50
  6. Step 6: Final answer
    x = 3,581.69

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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.