Home / 7,475.23-10,310.50-4,919.89

Finding the Fourth Proportional to 7,475.23, 10,310.50 and 4,919.89

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Solution

The fourth proportional to 7,475.23, 10,310.50 and 4,919.89 is: 6,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.23 : 10,310.50 = 4,919.89 : x
  2. Step 2: Convert to fraction form
    7,475.23/10,310.50 = 4,919.89/x
  3. Step 3: Cross multiply
    7,475.23x = 10,310.50 × 4,919.89
  4. Step 4: Simplify right side
    7,475.23x = 50,726,525.85
  5. Step 5: Solve for x
    x = 50,726,525.85/7,475.23
  6. Step 6: Final answer
    x = 6,785.95

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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.