Home / 5,612.60-8,419.71-1,717.31

Finding the Fourth Proportional to 5,612.60, 8,419.71 and 1,717.31

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Solution

The fourth proportional to 5,612.60, 8,419.71 and 1,717.31 is: 2,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.60 : 8,419.71 = 1,717.31 : x
  2. Step 2: Convert to fraction form
    5,612.60/8,419.71 = 1,717.31/x
  3. Step 3: Cross multiply
    5,612.60x = 8,419.71 × 1,717.31
  4. Step 4: Simplify right side
    5,612.60x = 14,459,252.18
  5. Step 5: Solve for x
    x = 14,459,252.18/5,612.60
  6. Step 6: Final answer
    x = 2,576.21

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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.