Home / 7,057.38-10,587.07-2,127.40

Finding the Fourth Proportional to 7,057.38, 10,587.07 and 2,127.40

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Solution

The fourth proportional to 7,057.38, 10,587.07 and 2,127.40 is: 3,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.38 : 10,587.07 = 2,127.40 : x
  2. Step 2: Convert to fraction form
    7,057.38/10,587.07 = 2,127.40/x
  3. Step 3: Cross multiply
    7,057.38x = 10,587.07 × 2,127.40
  4. Step 4: Simplify right side
    7,057.38x = 22,522,932.72
  5. Step 5: Solve for x
    x = 22,522,932.72/7,057.38
  6. Step 6: Final answer
    x = 3,191.40

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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.