Home / 7,963.23-10,989.12-4,426.35

Finding the Fourth Proportional to 7,963.23, 10,989.12 and 4,426.35

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Solution

The fourth proportional to 7,963.23, 10,989.12 and 4,426.35 is: 6,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.23 : 10,989.12 = 4,426.35 : x
  2. Step 2: Convert to fraction form
    7,963.23/10,989.12 = 4,426.35/x
  3. Step 3: Cross multiply
    7,963.23x = 10,989.12 × 4,426.35
  4. Step 4: Simplify right side
    7,963.23x = 48,641,691.31
  5. Step 5: Solve for x
    x = 48,641,691.31/7,963.23
  6. Step 6: Final answer
    x = 6,108.29

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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.