Home / 5,411.28-8,116.46-1,712.97

Finding the Fourth Proportional to 5,411.28, 8,116.46 and 1,712.97

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Solution

The fourth proportional to 5,411.28, 8,116.46 and 1,712.97 is: 2,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.28 : 8,116.46 = 1,712.97 : x
  2. Step 2: Convert to fraction form
    5,411.28/8,116.46 = 1,712.97/x
  3. Step 3: Cross multiply
    5,411.28x = 8,116.46 × 1,712.97
  4. Step 4: Simplify right side
    5,411.28x = 13,903,256.77
  5. Step 5: Solve for x
    x = 13,903,256.77/5,411.28
  6. Step 6: Final answer
    x = 2,569.31

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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.