Home / 7,988.39-11,024.19-4,451.82

Finding the Fourth Proportional to 7,988.39, 11,024.19 and 4,451.82

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Solution

The fourth proportional to 7,988.39, 11,024.19 and 4,451.82 is: 6,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.39 : 11,024.19 = 4,451.82 : x
  2. Step 2: Convert to fraction form
    7,988.39/11,024.19 = 4,451.82/x
  3. Step 3: Cross multiply
    7,988.39x = 11,024.19 × 4,451.82
  4. Step 4: Simplify right side
    7,988.39x = 49,077,709.53
  5. Step 5: Solve for x
    x = 49,077,709.53/7,988.39
  6. Step 6: Final answer
    x = 6,143.63

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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.