Home / 5,191.60-7,787.46-2,269.18

Finding the Fourth Proportional to 5,191.60, 7,787.46 and 2,269.18

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Solution

The fourth proportional to 5,191.60, 7,787.46 and 2,269.18 is: 3,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.60 : 7,787.46 = 2,269.18 : x
  2. Step 2: Convert to fraction form
    5,191.60/7,787.46 = 2,269.18/x
  3. Step 3: Cross multiply
    5,191.60x = 7,787.46 × 2,269.18
  4. Step 4: Simplify right side
    5,191.60x = 17,671,148.48
  5. Step 5: Solve for x
    x = 17,671,148.48/5,191.60
  6. Step 6: Final answer
    x = 3,403.80

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1.5x scale

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.