Home / 7,451.34-11,178.74-2,186.14

Finding the Fourth Proportional to 7,451.34, 11,178.74 and 2,186.14

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Solution

The fourth proportional to 7,451.34, 11,178.74 and 2,186.14 is: 3,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.34 : 11,178.74 = 2,186.14 : x
  2. Step 2: Convert to fraction form
    7,451.34/11,178.74 = 2,186.14/x
  3. Step 3: Cross multiply
    7,451.34x = 11,178.74 × 2,186.14
  4. Step 4: Simplify right side
    7,451.34x = 24,438,296.13
  5. Step 5: Solve for x
    x = 24,438,296.13/7,451.34
  6. Step 6: Final answer
    x = 3,279.72

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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.