Home / 7,143.45-10,715.88-2,462.84

Finding the Fourth Proportional to 7,143.45, 10,715.88 and 2,462.84

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Solution

The fourth proportional to 7,143.45, 10,715.88 and 2,462.84 is: 3,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.45 : 10,715.88 = 2,462.84 : x
  2. Step 2: Convert to fraction form
    7,143.45/10,715.88 = 2,462.84/x
  3. Step 3: Cross multiply
    7,143.45x = 10,715.88 × 2,462.84
  4. Step 4: Simplify right side
    7,143.45x = 26,391,479.89
  5. Step 5: Solve for x
    x = 26,391,479.89/7,143.45
  6. Step 6: Final answer
    x = 3,694.50

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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.