Home / 8,187.47-12,270.93-3,501.97

Finding the Fourth Proportional to 8,187.47, 12,270.93 and 3,501.97

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Solution

The fourth proportional to 8,187.47, 12,270.93 and 3,501.97 is: 5,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.47 : 12,270.93 = 3,501.97 : x
  2. Step 2: Convert to fraction form
    8,187.47/12,270.93 = 3,501.97/x
  3. Step 3: Cross multiply
    8,187.47x = 12,270.93 × 3,501.97
  4. Step 4: Simplify right side
    8,187.47x = 42,972,457.20
  5. Step 5: Solve for x
    x = 42,972,457.20/8,187.47
  6. Step 6: Final answer
    x = 5,248.56

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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.