Home / 5,879.53-8,115.17-3,640.06

Finding the Fourth Proportional to 5,879.53, 8,115.17 and 3,640.06

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Solution

The fourth proportional to 5,879.53, 8,115.17 and 3,640.06 is: 5,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.53 : 8,115.17 = 3,640.06 : x
  2. Step 2: Convert to fraction form
    5,879.53/8,115.17 = 3,640.06/x
  3. Step 3: Cross multiply
    5,879.53x = 8,115.17 × 3,640.06
  4. Step 4: Simplify right side
    5,879.53x = 29,539,705.71
  5. Step 5: Solve for x
    x = 29,539,705.71/5,879.53
  6. Step 6: Final answer
    x = 5,024.16

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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.