Home / 5,417.13-8,126.01-1,521.84

Finding the Fourth Proportional to 5,417.13, 8,126.01 and 1,521.84

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Solution

The fourth proportional to 5,417.13, 8,126.01 and 1,521.84 is: 2,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.13 : 8,126.01 = 1,521.84 : x
  2. Step 2: Convert to fraction form
    5,417.13/8,126.01 = 1,521.84/x
  3. Step 3: Cross multiply
    5,417.13x = 8,126.01 × 1,521.84
  4. Step 4: Simplify right side
    5,417.13x = 12,366,487.06
  5. Step 5: Solve for x
    x = 12,366,487.06/5,417.13
  6. Step 6: Final answer
    x = 2,282.85

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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.