Home / 5,291.32-7,937.05-3,647.43

Finding the Fourth Proportional to 5,291.32, 7,937.05 and 3,647.43

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Solution

The fourth proportional to 5,291.32, 7,937.05 and 3,647.43 is: 5,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.32 : 7,937.05 = 3,647.43 : x
  2. Step 2: Convert to fraction form
    5,291.32/7,937.05 = 3,647.43/x
  3. Step 3: Cross multiply
    5,291.32x = 7,937.05 × 3,647.43
  4. Step 4: Simplify right side
    5,291.32x = 28,949,776.36
  5. Step 5: Solve for x
    x = 28,949,776.36/5,291.32
  6. Step 6: Final answer
    x = 5,471.18

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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.