Home / 7,180.70-9,910.28-4,037.49

Finding the Fourth Proportional to 7,180.70, 9,910.28 and 4,037.49

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Solution

The fourth proportional to 7,180.70, 9,910.28 and 4,037.49 is: 5,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.70 : 9,910.28 = 4,037.49 : x
  2. Step 2: Convert to fraction form
    7,180.70/9,910.28 = 4,037.49/x
  3. Step 3: Cross multiply
    7,180.70x = 9,910.28 × 4,037.49
  4. Step 4: Simplify right side
    7,180.70x = 40,012,666.49
  5. Step 5: Solve for x
    x = 40,012,666.49/7,180.70
  6. Step 6: Final answer
    x = 5,572.26

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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.