Home / 5,490.83-8,233.96-3,407.71

Finding the Fourth Proportional to 5,490.83, 8,233.96 and 3,407.71

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Solution

The fourth proportional to 5,490.83, 8,233.96 and 3,407.71 is: 5,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.83 : 8,233.96 = 3,407.71 : x
  2. Step 2: Convert to fraction form
    5,490.83/8,233.96 = 3,407.71/x
  3. Step 3: Cross multiply
    5,490.83x = 8,233.96 × 3,407.71
  4. Step 4: Simplify right side
    5,490.83x = 28,058,947.83
  5. Step 5: Solve for x
    x = 28,058,947.83/5,490.83
  6. Step 6: Final answer
    x = 5,110.15

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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.