Home / 7,448.97-10,279.51-4,091.84

Finding the Fourth Proportional to 7,448.97, 10,279.51 and 4,091.84

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Solution

The fourth proportional to 7,448.97, 10,279.51 and 4,091.84 is: 5,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.97 : 10,279.51 = 4,091.84 : x
  2. Step 2: Convert to fraction form
    7,448.97/10,279.51 = 4,091.84/x
  3. Step 3: Cross multiply
    7,448.97x = 10,279.51 × 4,091.84
  4. Step 4: Simplify right side
    7,448.97x = 42,062,110.20
  5. Step 5: Solve for x
    x = 42,062,110.20/7,448.97
  6. Step 6: Final answer
    x = 5,646.70

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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.