Home / 6,376.05-8,799-3,581.55

Finding the Fourth Proportional to 6,376.05, 8,799 and 3,581.55

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Solution

The fourth proportional to 6,376.05, 8,799 and 3,581.55 is: 4,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.05 : 8,799 = 3,581.55 : x
  2. Step 2: Convert to fraction form
    6,376.05/8,799 = 3,581.55/x
  3. Step 3: Cross multiply
    6,376.05x = 8,799 × 3,581.55
  4. Step 4: Simplify right side
    6,376.05x = 31,514,058.45
  5. Step 5: Solve for x
    x = 31,514,058.45/6,376.05
  6. Step 6: Final answer
    x = 4,942.57

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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.