Home / 6,739.92-9,301.98-4,087.32

Finding the Fourth Proportional to 6,739.92, 9,301.98 and 4,087.32

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Solution

The fourth proportional to 6,739.92, 9,301.98 and 4,087.32 is: 5,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.92 : 9,301.98 = 4,087.32 : x
  2. Step 2: Convert to fraction form
    6,739.92/9,301.98 = 4,087.32/x
  3. Step 3: Cross multiply
    6,739.92x = 9,301.98 × 4,087.32
  4. Step 4: Simplify right side
    6,739.92x = 38,020,168.89
  5. Step 5: Solve for x
    x = 38,020,168.89/6,739.92
  6. Step 6: Final answer
    x = 5,641.04

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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.