Home / 8,621.59-12,938.06-4,728.73

Finding the Fourth Proportional to 8,621.59, 12,938.06 and 4,728.73

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Solution

The fourth proportional to 8,621.59, 12,938.06 and 4,728.73 is: 7,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.59 : 12,938.06 = 4,728.73 : x
  2. Step 2: Convert to fraction form
    8,621.59/12,938.06 = 4,728.73/x
  3. Step 3: Cross multiply
    8,621.59x = 12,938.06 × 4,728.73
  4. Step 4: Simplify right side
    8,621.59x = 61,180,592.46
  5. Step 5: Solve for x
    x = 61,180,592.46/8,621.59
  6. Step 6: Final answer
    x = 7,096.21

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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.