Home / 5,240.10-7,857.66-3,049.50

Finding the Fourth Proportional to 5,240.10, 7,857.66 and 3,049.50

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Solution

The fourth proportional to 5,240.10, 7,857.66 and 3,049.50 is: 4,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.10 : 7,857.66 = 3,049.50 : x
  2. Step 2: Convert to fraction form
    5,240.10/7,857.66 = 3,049.50/x
  3. Step 3: Cross multiply
    5,240.10x = 7,857.66 × 3,049.50
  4. Step 4: Simplify right side
    5,240.10x = 23,961,934.17
  5. Step 5: Solve for x
    x = 23,961,934.17/5,240.10
  6. Step 6: Final answer
    x = 4,572.80

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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.