Home / 5,637.28-8,455.12-2,174.52

Finding the Fourth Proportional to 5,637.28, 8,455.12 and 2,174.52

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Solution

The fourth proportional to 5,637.28, 8,455.12 and 2,174.52 is: 3,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.28 : 8,455.12 = 2,174.52 : x
  2. Step 2: Convert to fraction form
    5,637.28/8,455.12 = 2,174.52/x
  3. Step 3: Cross multiply
    5,637.28x = 8,455.12 × 2,174.52
  4. Step 4: Simplify right side
    5,637.28x = 18,385,827.54
  5. Step 5: Solve for x
    x = 18,385,827.54/5,637.28
  6. Step 6: Final answer
    x = 3,261.47

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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.