Home / 7,108.14-9,808.56-3,964.53

Finding the Fourth Proportional to 7,108.14, 9,808.56 and 3,964.53

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Solution

The fourth proportional to 7,108.14, 9,808.56 and 3,964.53 is: 5,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.14 : 9,808.56 = 3,964.53 : x
  2. Step 2: Convert to fraction form
    7,108.14/9,808.56 = 3,964.53/x
  3. Step 3: Cross multiply
    7,108.14x = 9,808.56 × 3,964.53
  4. Step 4: Simplify right side
    7,108.14x = 38,886,330.38
  5. Step 5: Solve for x
    x = 38,886,330.38/7,108.14
  6. Step 6: Final answer
    x = 5,470.68

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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.