Home / 8,938.74-12,335.58-4,959.96

Finding the Fourth Proportional to 8,938.74, 12,335.58 and 4,959.96

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Solution

The fourth proportional to 8,938.74, 12,335.58 and 4,959.96 is: 6,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.74 : 12,335.58 = 4,959.96 : x
  2. Step 2: Convert to fraction form
    8,938.74/12,335.58 = 4,959.96/x
  3. Step 3: Cross multiply
    8,938.74x = 12,335.58 × 4,959.96
  4. Step 4: Simplify right side
    8,938.74x = 61,183,983.38
  5. Step 5: Solve for x
    x = 61,183,983.38/8,938.74
  6. Step 6: Final answer
    x = 6,844.81

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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.