Home / 6,989.32-9,645.14-4,005.88

Finding the Fourth Proportional to 6,989.32, 9,645.14 and 4,005.88

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Solution

The fourth proportional to 6,989.32, 9,645.14 and 4,005.88 is: 5,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.32 : 9,645.14 = 4,005.88 : x
  2. Step 2: Convert to fraction form
    6,989.32/9,645.14 = 4,005.88/x
  3. Step 3: Cross multiply
    6,989.32x = 9,645.14 × 4,005.88
  4. Step 4: Simplify right side
    6,989.32x = 38,637,273.42
  5. Step 5: Solve for x
    x = 38,637,273.42/6,989.32
  6. Step 6: Final answer
    x = 5,528.04

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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.