Home / 8,980.09-12,392.31-5,001.11

Finding the Fourth Proportional to 8,980.09, 12,392.31 and 5,001.11

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Solution

The fourth proportional to 8,980.09, 12,392.31 and 5,001.11 is: 6,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.09 : 12,392.31 = 5,001.11 : x
  2. Step 2: Convert to fraction form
    8,980.09/12,392.31 = 5,001.11/x
  3. Step 3: Cross multiply
    8,980.09x = 12,392.31 × 5,001.11
  4. Step 4: Simplify right side
    8,980.09x = 61,975,305.46
  5. Step 5: Solve for x
    x = 61,975,305.46/8,980.09
  6. Step 6: Final answer
    x = 6,901.41

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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.