Home / 7,510.93-11,260.28-3,131.66

Finding the Fourth Proportional to 7,510.93, 11,260.28 and 3,131.66

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Solution

The fourth proportional to 7,510.93, 11,260.28 and 3,131.66 is: 4,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.93 : 11,260.28 = 3,131.66 : x
  2. Step 2: Convert to fraction form
    7,510.93/11,260.28 = 3,131.66/x
  3. Step 3: Cross multiply
    7,510.93x = 11,260.28 × 3,131.66
  4. Step 4: Simplify right side
    7,510.93x = 35,263,404.44
  5. Step 5: Solve for x
    x = 35,263,404.44/7,510.93
  6. Step 6: Final answer
    x = 4,694.95

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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.