Home / 8,127.19-12,184.87-5,488.16

Finding the Fourth Proportional to 8,127.19, 12,184.87 and 5,488.16

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Solution

The fourth proportional to 8,127.19, 12,184.87 and 5,488.16 is: 8,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.19 : 12,184.87 = 5,488.16 : x
  2. Step 2: Convert to fraction form
    8,127.19/12,184.87 = 5,488.16/x
  3. Step 3: Cross multiply
    8,127.19x = 12,184.87 × 5,488.16
  4. Step 4: Simplify right side
    8,127.19x = 66,872,478.80
  5. Step 5: Solve for x
    x = 66,872,478.80/8,127.19
  6. Step 6: Final answer
    x = 8,228.24

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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.