Home / 5,581.42-8,373.95-2,806.66

Finding the Fourth Proportional to 5,581.42, 8,373.95 and 2,806.66

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Solution

The fourth proportional to 5,581.42, 8,373.95 and 2,806.66 is: 4,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.42 : 8,373.95 = 2,806.66 : x
  2. Step 2: Convert to fraction form
    5,581.42/8,373.95 = 2,806.66/x
  3. Step 3: Cross multiply
    5,581.42x = 8,373.95 × 2,806.66
  4. Step 4: Simplify right side
    5,581.42x = 23,502,837.47
  5. Step 5: Solve for x
    x = 23,502,837.47/5,581.42
  6. Step 6: Final answer
    x = 4,210.91

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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.