Home / 5,840.70-8,755.85-2,142.07

Finding the Fourth Proportional to 5,840.70, 8,755.85 and 2,142.07

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Solution

The fourth proportional to 5,840.70, 8,755.85 and 2,142.07 is: 3,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.70 : 8,755.85 = 2,142.07 : x
  2. Step 2: Convert to fraction form
    5,840.70/8,755.85 = 2,142.07/x
  3. Step 3: Cross multiply
    5,840.70x = 8,755.85 × 2,142.07
  4. Step 4: Simplify right side
    5,840.70x = 18,755,643.61
  5. Step 5: Solve for x
    x = 18,755,643.61/5,840.70
  6. Step 6: Final answer
    x = 3,211.20

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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.