Home / 5,417.10-8,125.65-3,239.82

Finding the Fourth Proportional to 5,417.10, 8,125.65 and 3,239.82

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Solution

The fourth proportional to 5,417.10, 8,125.65 and 3,239.82 is: 4,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.10 : 8,125.65 = 3,239.82 : x
  2. Step 2: Convert to fraction form
    5,417.10/8,125.65 = 3,239.82/x
  3. Step 3: Cross multiply
    5,417.10x = 8,125.65 × 3,239.82
  4. Step 4: Simplify right side
    5,417.10x = 26,325,643.38
  5. Step 5: Solve for x
    x = 26,325,643.38/5,417.10
  6. Step 6: Final answer
    x = 4,859.73

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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.