Home / 6,932.40-9,565.80-4,099.60

Finding the Fourth Proportional to 6,932.40, 9,565.80 and 4,099.60

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Solution

The fourth proportional to 6,932.40, 9,565.80 and 4,099.60 is: 5,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.40 : 9,565.80 = 4,099.60 : x
  2. Step 2: Convert to fraction form
    6,932.40/9,565.80 = 4,099.60/x
  3. Step 3: Cross multiply
    6,932.40x = 9,565.80 × 4,099.60
  4. Step 4: Simplify right side
    6,932.40x = 39,215,953.68
  5. Step 5: Solve for x
    x = 39,215,953.68/6,932.40
  6. Step 6: Final answer
    x = 5,656.91

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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.