Home / 7,910.60-10,917.72-4,553.36

Finding the Fourth Proportional to 7,910.60, 10,917.72 and 4,553.36

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Solution

The fourth proportional to 7,910.60, 10,917.72 and 4,553.36 is: 6,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.60 : 10,917.72 = 4,553.36 : x
  2. Step 2: Convert to fraction form
    7,910.60/10,917.72 = 4,553.36/x
  3. Step 3: Cross multiply
    7,910.60x = 10,917.72 × 4,553.36
  4. Step 4: Simplify right side
    7,910.60x = 49,712,309.54
  5. Step 5: Solve for x
    x = 49,712,309.54/7,910.60
  6. Step 6: Final answer
    x = 6,284.27

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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.