Home / 4,483.20-6,721.28-2,174.08

Finding the Fourth Proportional to 4,483.20, 6,721.28 and 2,174.08

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Solution

The fourth proportional to 4,483.20, 6,721.28 and 2,174.08 is: 3,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.20 : 6,721.28 = 2,174.08 : x
  2. Step 2: Convert to fraction form
    4,483.20/6,721.28 = 2,174.08/x
  3. Step 3: Cross multiply
    4,483.20x = 6,721.28 × 2,174.08
  4. Step 4: Simplify right side
    4,483.20x = 14,612,600.42
  5. Step 5: Solve for x
    x = 14,612,600.42/4,483.20
  6. Step 6: Final answer
    x = 3,259.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.