Home / 5,840.13-8,761.68-1,680.05

Finding the Fourth Proportional to 5,840.13, 8,761.68 and 1,680.05

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Solution

The fourth proportional to 5,840.13, 8,761.68 and 1,680.05 is: 2,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.13 : 8,761.68 = 1,680.05 : x
  2. Step 2: Convert to fraction form
    5,840.13/8,761.68 = 1,680.05/x
  3. Step 3: Cross multiply
    5,840.13x = 8,761.68 × 1,680.05
  4. Step 4: Simplify right side
    5,840.13x = 14,720,060.48
  5. Step 5: Solve for x
    x = 14,720,060.48/5,840.13
  6. Step 6: Final answer
    x = 2,520.50

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Half scale
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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.