Home / 7,963.30-10,989.30-4,426.57

Finding the Fourth Proportional to 7,963.30, 10,989.30 and 4,426.57

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Solution

The fourth proportional to 7,963.30, 10,989.30 and 4,426.57 is: 6,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.30 : 10,989.30 = 4,426.57 : x
  2. Step 2: Convert to fraction form
    7,963.30/10,989.30 = 4,426.57/x
  3. Step 3: Cross multiply
    7,963.30x = 10,989.30 × 4,426.57
  4. Step 4: Simplify right side
    7,963.30x = 48,644,905.70
  5. Step 5: Solve for x
    x = 48,644,905.70/7,963.30
  6. Step 6: Final answer
    x = 6,108.64

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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.