Home / 5,871.47-8,101.62-3,881.00

Finding the Fourth Proportional to 5,871.47, 8,101.62 and 3,881.00

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Solution

The fourth proportional to 5,871.47, 8,101.62 and 3,881.00 is: 5,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.47 : 8,101.62 = 3,881.00 : x
  2. Step 2: Convert to fraction form
    5,871.47/8,101.62 = 3,881.00/x
  3. Step 3: Cross multiply
    5,871.47x = 8,101.62 × 3,881.00
  4. Step 4: Simplify right side
    5,871.47x = 31,442,346.71
  5. Step 5: Solve for x
    x = 31,442,346.71/5,871.47
  6. Step 6: Final answer
    x = 5,355.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.