Home / 7,143.46-10,712.22-2,700.35

Finding the Fourth Proportional to 7,143.46, 10,712.22 and 2,700.35

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Solution

The fourth proportional to 7,143.46, 10,712.22 and 2,700.35 is: 4,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.46 : 10,712.22 = 2,700.35 : x
  2. Step 2: Convert to fraction form
    7,143.46/10,712.22 = 2,700.35/x
  3. Step 3: Cross multiply
    7,143.46x = 10,712.22 × 2,700.35
  4. Step 4: Simplify right side
    7,143.46x = 28,926,719.76
  5. Step 5: Solve for x
    x = 28,926,719.76/7,143.46
  6. Step 6: Final answer
    x = 4,049.40

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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.