Home / 6,074.40-9,115.20-4,426.80

Finding the Fourth Proportional to 6,074.40, 9,115.20 and 4,426.80

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Solution

The fourth proportional to 6,074.40, 9,115.20 and 4,426.80 is: 6,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.40 : 9,115.20 = 4,426.80 : x
  2. Step 2: Convert to fraction form
    6,074.40/9,115.20 = 4,426.80/x
  3. Step 3: Cross multiply
    6,074.40x = 9,115.20 × 4,426.80
  4. Step 4: Simplify right side
    6,074.40x = 40,351,167.36
  5. Step 5: Solve for x
    x = 40,351,167.36/6,074.40
  6. Step 6: Final answer
    x = 6,642.82

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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.