Home / 5,646.72-8,475.28-2,875.38

Finding the Fourth Proportional to 5,646.72, 8,475.28 and 2,875.38

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Solution

The fourth proportional to 5,646.72, 8,475.28 and 2,875.38 is: 4,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.72 : 8,475.28 = 2,875.38 : x
  2. Step 2: Convert to fraction form
    5,646.72/8,475.28 = 2,875.38/x
  3. Step 3: Cross multiply
    5,646.72x = 8,475.28 × 2,875.38
  4. Step 4: Simplify right side
    5,646.72x = 24,369,650.61
  5. Step 5: Solve for x
    x = 24,369,650.61/5,646.72
  6. Step 6: Final answer
    x = 4,315.72

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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.