Home / 7,321.77-10,104.02-3,964.56

Finding the Fourth Proportional to 7,321.77, 10,104.02 and 3,964.56

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Solution

The fourth proportional to 7,321.77, 10,104.02 and 3,964.56 is: 5,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.77 : 10,104.02 = 3,964.56 : x
  2. Step 2: Convert to fraction form
    7,321.77/10,104.02 = 3,964.56/x
  3. Step 3: Cross multiply
    7,321.77x = 10,104.02 × 3,964.56
  4. Step 4: Simplify right side
    7,321.77x = 40,057,988.58
  5. Step 5: Solve for x
    x = 40,057,988.58/7,321.77
  6. Step 6: Final answer
    x = 5,471.08

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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.