Home / 5,411.16-8,117.22-2,124.36

Finding the Fourth Proportional to 5,411.16, 8,117.22 and 2,124.36

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Solution

The fourth proportional to 5,411.16, 8,117.22 and 2,124.36 is: 3,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.16 : 8,117.22 = 2,124.36 : x
  2. Step 2: Convert to fraction form
    5,411.16/8,117.22 = 2,124.36/x
  3. Step 3: Cross multiply
    5,411.16x = 8,117.22 × 2,124.36
  4. Step 4: Simplify right side
    5,411.16x = 17,243,897.48
  5. Step 5: Solve for x
    x = 17,243,897.48/5,411.16
  6. Step 6: Final answer
    x = 3,186.73

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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.