Home / 8,942.62-12,339.48-4,963.72

Finding the Fourth Proportional to 8,942.62, 12,339.48 and 4,963.72

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Solution

The fourth proportional to 8,942.62, 12,339.48 and 4,963.72 is: 6,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.62 : 12,339.48 = 4,963.72 : x
  2. Step 2: Convert to fraction form
    8,942.62/12,339.48 = 4,963.72/x
  3. Step 3: Cross multiply
    8,942.62x = 12,339.48 × 4,963.72
  4. Step 4: Simplify right side
    8,942.62x = 61,249,723.67
  5. Step 5: Solve for x
    x = 61,249,723.67/8,942.62
  6. Step 6: Final answer
    x = 6,849.19

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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.