Home / 5,581.22-8,373.30-1,685.74

Finding the Fourth Proportional to 5,581.22, 8,373.30 and 1,685.74

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Solution

The fourth proportional to 5,581.22, 8,373.30 and 1,685.74 is: 2,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.22 : 8,373.30 = 1,685.74 : x
  2. Step 2: Convert to fraction form
    5,581.22/8,373.30 = 1,685.74/x
  3. Step 3: Cross multiply
    5,581.22x = 8,373.30 × 1,685.74
  4. Step 4: Simplify right side
    5,581.22x = 14,115,206.74
  5. Step 5: Solve for x
    x = 14,115,206.74/5,581.22
  6. Step 6: Final answer
    x = 2,529.05

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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.