Home / 7,823.60-11,737.20-2,487.32

Finding the Fourth Proportional to 7,823.60, 11,737.20 and 2,487.32

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Solution

The fourth proportional to 7,823.60, 11,737.20 and 2,487.32 is: 3,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.60 : 11,737.20 = 2,487.32 : x
  2. Step 2: Convert to fraction form
    7,823.60/11,737.20 = 2,487.32/x
  3. Step 3: Cross multiply
    7,823.60x = 11,737.20 × 2,487.32
  4. Step 4: Simplify right side
    7,823.60x = 29,194,172.30
  5. Step 5: Solve for x
    x = 29,194,172.30/7,823.60
  6. Step 6: Final answer
    x = 3,731.55

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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.