Home / 5,585.22-8,378.90-2,663.76

Finding the Fourth Proportional to 5,585.22, 8,378.90 and 2,663.76

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Solution

The fourth proportional to 5,585.22, 8,378.90 and 2,663.76 is: 3,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.22 : 8,378.90 = 2,663.76 : x
  2. Step 2: Convert to fraction form
    5,585.22/8,378.90 = 2,663.76/x
  3. Step 3: Cross multiply
    5,585.22x = 8,378.90 × 2,663.76
  4. Step 4: Simplify right side
    5,585.22x = 22,319,378.66
  5. Step 5: Solve for x
    x = 22,319,378.66/5,585.22
  6. Step 6: Final answer
    x = 3,996.15

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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.