Home / 6,387.77-9,581.70-2,227.76

Finding the Fourth Proportional to 6,387.77, 9,581.70 and 2,227.76

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Solution

The fourth proportional to 6,387.77, 9,581.70 and 2,227.76 is: 3,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.77 : 9,581.70 = 2,227.76 : x
  2. Step 2: Convert to fraction form
    6,387.77/9,581.70 = 2,227.76/x
  3. Step 3: Cross multiply
    6,387.77x = 9,581.70 × 2,227.76
  4. Step 4: Simplify right side
    6,387.77x = 21,345,751.95
  5. Step 5: Solve for x
    x = 21,345,751.95/6,387.77
  6. Step 6: Final answer
    x = 3,341.66

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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.