Home / 7,104.14-9,803.16-3,959.72

Finding the Fourth Proportional to 7,104.14, 9,803.16 and 3,959.72

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Solution

The fourth proportional to 7,104.14, 9,803.16 and 3,959.72 is: 5,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.14 : 9,803.16 = 3,959.72 : x
  2. Step 2: Convert to fraction form
    7,104.14/9,803.16 = 3,959.72/x
  3. Step 3: Cross multiply
    7,104.14x = 9,803.16 × 3,959.72
  4. Step 4: Simplify right side
    7,104.14x = 38,817,756.46
  5. Step 5: Solve for x
    x = 38,817,756.46/7,104.14
  6. Step 6: Final answer
    x = 5,464.10

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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.