Home / 8,963.31-12,369.51-4,930.57

Finding the Fourth Proportional to 8,963.31, 12,369.51 and 4,930.57

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Solution

The fourth proportional to 8,963.31, 12,369.51 and 4,930.57 is: 6,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.31 : 12,369.51 = 4,930.57 : x
  2. Step 2: Convert to fraction form
    8,963.31/12,369.51 = 4,930.57/x
  3. Step 3: Cross multiply
    8,963.31x = 12,369.51 × 4,930.57
  4. Step 4: Simplify right side
    8,963.31x = 60,988,750.38
  5. Step 5: Solve for x
    x = 60,988,750.38/8,963.31
  6. Step 6: Final answer
    x = 6,804.27

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1.5x scale

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.