Home / 7,249.24-10,865.76-4,785.76

Finding the Fourth Proportional to 7,249.24, 10,865.76 and 4,785.76

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Solution

The fourth proportional to 7,249.24, 10,865.76 and 4,785.76 is: 7,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.24 : 10,865.76 = 4,785.76 : x
  2. Step 2: Convert to fraction form
    7,249.24/10,865.76 = 4,785.76/x
  3. Step 3: Cross multiply
    7,249.24x = 10,865.76 × 4,785.76
  4. Step 4: Simplify right side
    7,249.24x = 52,000,919.58
  5. Step 5: Solve for x
    x = 52,000,919.58/7,249.24
  6. Step 6: Final answer
    x = 7,173.29

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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.