Home / 5,087.76-7,025.16-3,387.92

Finding the Fourth Proportional to 5,087.76, 7,025.16 and 3,387.92

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Solution

The fourth proportional to 5,087.76, 7,025.16 and 3,387.92 is: 4,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.76 : 7,025.16 = 3,387.92 : x
  2. Step 2: Convert to fraction form
    5,087.76/7,025.16 = 3,387.92/x
  3. Step 3: Cross multiply
    5,087.76x = 7,025.16 × 3,387.92
  4. Step 4: Simplify right side
    5,087.76x = 23,800,680.07
  5. Step 5: Solve for x
    x = 23,800,680.07/5,087.76
  6. Step 6: Final answer
    x = 4,678.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.