Home / 7,314.74-10,963.17-3,145.94

Finding the Fourth Proportional to 7,314.74, 10,963.17 and 3,145.94

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Solution

The fourth proportional to 7,314.74, 10,963.17 and 3,145.94 is: 4,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.74 : 10,963.17 = 3,145.94 : x
  2. Step 2: Convert to fraction form
    7,314.74/10,963.17 = 3,145.94/x
  3. Step 3: Cross multiply
    7,314.74x = 10,963.17 × 3,145.94
  4. Step 4: Simplify right side
    7,314.74x = 34,489,502.44
  5. Step 5: Solve for x
    x = 34,489,502.44/7,314.74
  6. Step 6: Final answer
    x = 4,715.07

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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.