Home / 7,558.20-11,348.10-4,277.70

Finding the Fourth Proportional to 7,558.20, 11,348.10 and 4,277.70

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Solution

The fourth proportional to 7,558.20, 11,348.10 and 4,277.70 is: 6,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.20 : 11,348.10 = 4,277.70 : x
  2. Step 2: Convert to fraction form
    7,558.20/11,348.10 = 4,277.70/x
  3. Step 3: Cross multiply
    7,558.20x = 11,348.10 × 4,277.70
  4. Step 4: Simplify right side
    7,558.20x = 48,543,767.37
  5. Step 5: Solve for x
    x = 48,543,767.37/7,558.20
  6. Step 6: Final answer
    x = 6,422.66

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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.