Home / 8,210.56-12,321.60-4,743.04

Finding the Fourth Proportional to 8,210.56, 12,321.60 and 4,743.04

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Solution

The fourth proportional to 8,210.56, 12,321.60 and 4,743.04 is: 7,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.56 : 12,321.60 = 4,743.04 : x
  2. Step 2: Convert to fraction form
    8,210.56/12,321.60 = 4,743.04/x
  3. Step 3: Cross multiply
    8,210.56x = 12,321.60 × 4,743.04
  4. Step 4: Simplify right side
    8,210.56x = 58,441,841.66
  5. Step 5: Solve for x
    x = 58,441,841.66/8,210.56
  6. Step 6: Final answer
    x = 7,117.89

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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.