Home / 5,140.83-7,711.92-2,367.12

Finding the Fourth Proportional to 5,140.83, 7,711.92 and 2,367.12

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Solution

The fourth proportional to 5,140.83, 7,711.92 and 2,367.12 is: 3,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.83 : 7,711.92 = 2,367.12 : x
  2. Step 2: Convert to fraction form
    5,140.83/7,711.92 = 2,367.12/x
  3. Step 3: Cross multiply
    5,140.83x = 7,711.92 × 2,367.12
  4. Step 4: Simplify right side
    5,140.83x = 18,255,040.07
  5. Step 5: Solve for x
    x = 18,255,040.07/5,140.83
  6. Step 6: Final answer
    x = 3,550.99

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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.