Home / 8,481.40-12,723.36-4,534.72

Finding the Fourth Proportional to 8,481.40, 12,723.36 and 4,534.72

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Solution

The fourth proportional to 8,481.40, 12,723.36 and 4,534.72 is: 6,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.40 : 12,723.36 = 4,534.72 : x
  2. Step 2: Convert to fraction form
    8,481.40/12,723.36 = 4,534.72/x
  3. Step 3: Cross multiply
    8,481.40x = 12,723.36 × 4,534.72
  4. Step 4: Simplify right side
    8,481.40x = 57,696,875.06
  5. Step 5: Solve for x
    x = 57,696,875.06/8,481.40
  6. Step 6: Final answer
    x = 6,802.75

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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.