Home / 7,279.50-10,921.56-2,599.41

Finding the Fourth Proportional to 7,279.50, 10,921.56 and 2,599.41

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Solution

The fourth proportional to 7,279.50, 10,921.56 and 2,599.41 is: 3,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.50 : 10,921.56 = 2,599.41 : x
  2. Step 2: Convert to fraction form
    7,279.50/10,921.56 = 2,599.41/x
  3. Step 3: Cross multiply
    7,279.50x = 10,921.56 × 2,599.41
  4. Step 4: Simplify right side
    7,279.50x = 28,389,612.28
  5. Step 5: Solve for x
    x = 28,389,612.28/7,279.50
  6. Step 6: Final answer
    x = 3,899.94

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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.