Home / 4,411.60-6,617.40-1,943.80

Finding the Fourth Proportional to 4,411.60, 6,617.40 and 1,943.80

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Solution

The fourth proportional to 4,411.60, 6,617.40 and 1,943.80 is: 2,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.60 : 6,617.40 = 1,943.80 : x
  2. Step 2: Convert to fraction form
    4,411.60/6,617.40 = 1,943.80/x
  3. Step 3: Cross multiply
    4,411.60x = 6,617.40 × 1,943.80
  4. Step 4: Simplify right side
    4,411.60x = 12,862,902.12
  5. Step 5: Solve for x
    x = 12,862,902.12/4,411.60
  6. Step 6: Final answer
    x = 2,915.70

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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.