Home / 7,143.11-10,714.66-3,248.63

Finding the Fourth Proportional to 7,143.11, 10,714.66 and 3,248.63

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Solution

The fourth proportional to 7,143.11, 10,714.66 and 3,248.63 is: 4,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.11 : 10,714.66 = 3,248.63 : x
  2. Step 2: Convert to fraction form
    7,143.11/10,714.66 = 3,248.63/x
  3. Step 3: Cross multiply
    7,143.11x = 10,714.66 × 3,248.63
  4. Step 4: Simplify right side
    7,143.11x = 34,807,896.10
  5. Step 5: Solve for x
    x = 34,807,896.10/7,143.11
  6. Step 6: Final answer
    x = 4,872.94

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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.