Home / 7,910.10-10,917.03-4,552.85

Finding the Fourth Proportional to 7,910.10, 10,917.03 and 4,552.85

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Solution

The fourth proportional to 7,910.10, 10,917.03 and 4,552.85 is: 6,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.10 : 10,917.03 = 4,552.85 : x
  2. Step 2: Convert to fraction form
    7,910.10/10,917.03 = 4,552.85/x
  3. Step 3: Cross multiply
    7,910.10x = 10,917.03 × 4,552.85
  4. Step 4: Simplify right side
    7,910.10x = 49,703,600.04
  5. Step 5: Solve for x
    x = 49,703,600.04/7,910.10
  6. Step 6: Final answer
    x = 6,283.56

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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.