Home / 5,471.18-7,550.21-2,987.18

Finding the Fourth Proportional to 5,471.18, 7,550.21 and 2,987.18

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Solution

The fourth proportional to 5,471.18, 7,550.21 and 2,987.18 is: 4,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.18 : 7,550.21 = 2,987.18 : x
  2. Step 2: Convert to fraction form
    5,471.18/7,550.21 = 2,987.18/x
  3. Step 3: Cross multiply
    5,471.18x = 7,550.21 × 2,987.18
  4. Step 4: Simplify right side
    5,471.18x = 22,553,836.31
  5. Step 5: Solve for x
    x = 22,553,836.31/5,471.18
  6. Step 6: Final answer
    x = 4,122.30

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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.