Home / 5,840.07-8,761.45-1,680.11

Finding the Fourth Proportional to 5,840.07, 8,761.45 and 1,680.11

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Solution

The fourth proportional to 5,840.07, 8,761.45 and 1,680.11 is: 2,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.07 : 8,761.45 = 1,680.11 : x
  2. Step 2: Convert to fraction form
    5,840.07/8,761.45 = 1,680.11/x
  3. Step 3: Cross multiply
    5,840.07x = 8,761.45 × 1,680.11
  4. Step 4: Simplify right side
    5,840.07x = 14,720,237.04
  5. Step 5: Solve for x
    x = 14,720,237.04/5,840.07
  6. Step 6: Final answer
    x = 2,520.56

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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.