Home / 6,686.64-9,231.12-4,451.52

Finding the Fourth Proportional to 6,686.64, 9,231.12 and 4,451.52

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Solution

The fourth proportional to 6,686.64, 9,231.12 and 4,451.52 is: 6,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.64 : 9,231.12 = 4,451.52 : x
  2. Step 2: Convert to fraction form
    6,686.64/9,231.12 = 4,451.52/x
  3. Step 3: Cross multiply
    6,686.64x = 9,231.12 × 4,451.52
  4. Step 4: Simplify right side
    6,686.64x = 41,092,515.30
  5. Step 5: Solve for x
    x = 41,092,515.30/6,686.64
  6. Step 6: Final answer
    x = 6,145.47

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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.