Home / 5,591.60-8,389.20-1,696.40

Finding the Fourth Proportional to 5,591.60, 8,389.20 and 1,696.40

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Solution

The fourth proportional to 5,591.60, 8,389.20 and 1,696.40 is: 2,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.60 : 8,389.20 = 1,696.40 : x
  2. Step 2: Convert to fraction form
    5,591.60/8,389.20 = 1,696.40/x
  3. Step 3: Cross multiply
    5,591.60x = 8,389.20 × 1,696.40
  4. Step 4: Simplify right side
    5,591.60x = 14,231,438.88
  5. Step 5: Solve for x
    x = 14,231,438.88/5,591.60
  6. Step 6: Final answer
    x = 2,545.15

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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.