Home / 8,920.49-13,380.95-2,997.46

Finding the Fourth Proportional to 8,920.49, 13,380.95 and 2,997.46

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Solution

The fourth proportional to 8,920.49, 13,380.95 and 2,997.46 is: 4,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.49 : 13,380.95 = 2,997.46 : x
  2. Step 2: Convert to fraction form
    8,920.49/13,380.95 = 2,997.46/x
  3. Step 3: Cross multiply
    8,920.49x = 13,380.95 × 2,997.46
  4. Step 4: Simplify right side
    8,920.49x = 40,108,857.25
  5. Step 5: Solve for x
    x = 40,108,857.25/8,920.49
  6. Step 6: Final answer
    x = 4,496.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.