Home / 7,279.39-10,045.24-4,451.51

Finding the Fourth Proportional to 7,279.39, 10,045.24 and 4,451.51

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Solution

The fourth proportional to 7,279.39, 10,045.24 and 4,451.51 is: 6,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.39 : 10,045.24 = 4,451.51 : x
  2. Step 2: Convert to fraction form
    7,279.39/10,045.24 = 4,451.51/x
  3. Step 3: Cross multiply
    7,279.39x = 10,045.24 × 4,451.51
  4. Step 4: Simplify right side
    7,279.39x = 44,716,456.31
  5. Step 5: Solve for x
    x = 44,716,456.31/7,279.39
  6. Step 6: Final answer
    x = 6,142.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.