Home / 7,380.10-10,177.90-4,861.30

Finding the Fourth Proportional to 7,380.10, 10,177.90 and 4,861.30

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Solution

The fourth proportional to 7,380.10, 10,177.90 and 4,861.30 is: 6,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.10 : 10,177.90 = 4,861.30 : x
  2. Step 2: Convert to fraction form
    7,380.10/10,177.90 = 4,861.30/x
  3. Step 3: Cross multiply
    7,380.10x = 10,177.90 × 4,861.30
  4. Step 4: Simplify right side
    7,380.10x = 49,477,787.67
  5. Step 5: Solve for x
    x = 49,477,787.67/7,380.10
  6. Step 6: Final answer
    x = 6,704.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.