Home / 6,251.80-9,377.70-5,312.20

Finding the Fourth Proportional to 6,251.80, 9,377.70 and 5,312.20

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Solution

The fourth proportional to 6,251.80, 9,377.70 and 5,312.20 is: 7,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.80 : 9,377.70 = 5,312.20 : x
  2. Step 2: Convert to fraction form
    6,251.80/9,377.70 = 5,312.20/x
  3. Step 3: Cross multiply
    6,251.80x = 9,377.70 × 5,312.20
  4. Step 4: Simplify right side
    6,251.80x = 49,816,217.94
  5. Step 5: Solve for x
    x = 49,816,217.94/6,251.80
  6. Step 6: Final answer
    x = 7,968.30

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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.