Home / 7,523.97-11,284.14-3,139.05

Finding the Fourth Proportional to 7,523.97, 11,284.14 and 3,139.05

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Solution

The fourth proportional to 7,523.97, 11,284.14 and 3,139.05 is: 4,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.97 : 11,284.14 = 3,139.05 : x
  2. Step 2: Convert to fraction form
    7,523.97/11,284.14 = 3,139.05/x
  3. Step 3: Cross multiply
    7,523.97x = 11,284.14 × 3,139.05
  4. Step 4: Simplify right side
    7,523.97x = 35,421,479.67
  5. Step 5: Solve for x
    x = 35,421,479.67/7,523.97
  6. Step 6: Final answer
    x = 4,707.82

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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.