Home / 5,358.50-8,042.95-2,587.12

Finding the Fourth Proportional to 5,358.50, 8,042.95 and 2,587.12

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Solution

The fourth proportional to 5,358.50, 8,042.95 and 2,587.12 is: 3,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.50 : 8,042.95 = 2,587.12 : x
  2. Step 2: Convert to fraction form
    5,358.50/8,042.95 = 2,587.12/x
  3. Step 3: Cross multiply
    5,358.50x = 8,042.95 × 2,587.12
  4. Step 4: Simplify right side
    5,358.50x = 20,808,076.80
  5. Step 5: Solve for x
    x = 20,808,076.80/5,358.50
  6. Step 6: Final answer
    x = 3,883.19

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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.