Home / 6,685.20-9,225.12-4,032

Finding the Fourth Proportional to 6,685.20, 9,225.12 and 4,032

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Solution

The fourth proportional to 6,685.20, 9,225.12 and 4,032 is: 5,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.20 : 9,225.12 = 4,032 : x
  2. Step 2: Convert to fraction form
    6,685.20/9,225.12 = 4,032/x
  3. Step 3: Cross multiply
    6,685.20x = 9,225.12 × 4,032
  4. Step 4: Simplify right side
    6,685.20x = 37,195,683.84
  5. Step 5: Solve for x
    x = 37,195,683.84/6,685.20
  6. Step 6: Final answer
    x = 5,563.88

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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.