Home / 7,279.47-10,910.77-3,113.24

Finding the Fourth Proportional to 7,279.47, 10,910.77 and 3,113.24

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Solution

The fourth proportional to 7,279.47, 10,910.77 and 3,113.24 is: 4,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.47 : 10,910.77 = 3,113.24 : x
  2. Step 2: Convert to fraction form
    7,279.47/10,910.77 = 3,113.24/x
  3. Step 3: Cross multiply
    7,279.47x = 10,910.77 × 3,113.24
  4. Step 4: Simplify right side
    7,279.47x = 33,967,783.26
  5. Step 5: Solve for x
    x = 33,967,783.26/7,279.47
  6. Step 6: Final answer
    x = 4,666.24

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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.