Home / 7,126.47-10,691.28-2,446.37

Finding the Fourth Proportional to 7,126.47, 10,691.28 and 2,446.37

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Solution

The fourth proportional to 7,126.47, 10,691.28 and 2,446.37 is: 3,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.47 : 10,691.28 = 2,446.37 : x
  2. Step 2: Convert to fraction form
    7,126.47/10,691.28 = 2,446.37/x
  3. Step 3: Cross multiply
    7,126.47x = 10,691.28 × 2,446.37
  4. Step 4: Simplify right side
    7,126.47x = 26,154,853.38
  5. Step 5: Solve for x
    x = 26,154,853.38/7,126.47
  6. Step 6: Final answer
    x = 3,670.10

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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.