Home / 8,127.04-12,190.56-2,865.96

Finding the Fourth Proportional to 8,127.04, 12,190.56 and 2,865.96

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Solution

The fourth proportional to 8,127.04, 12,190.56 and 2,865.96 is: 4,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.04 : 12,190.56 = 2,865.96 : x
  2. Step 2: Convert to fraction form
    8,127.04/12,190.56 = 2,865.96/x
  3. Step 3: Cross multiply
    8,127.04x = 12,190.56 × 2,865.96
  4. Step 4: Simplify right side
    8,127.04x = 34,937,657.34
  5. Step 5: Solve for x
    x = 34,937,657.34/8,127.04
  6. Step 6: Final answer
    x = 4,298.94

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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.