Home / 7,308.12-10,082.79-4,121.02

Finding the Fourth Proportional to 7,308.12, 10,082.79 and 4,121.02

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Solution

The fourth proportional to 7,308.12, 10,082.79 and 4,121.02 is: 5,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.12 : 10,082.79 = 4,121.02 : x
  2. Step 2: Convert to fraction form
    7,308.12/10,082.79 = 4,121.02/x
  3. Step 3: Cross multiply
    7,308.12x = 10,082.79 × 4,121.02
  4. Step 4: Simplify right side
    7,308.12x = 41,551,308.23
  5. Step 5: Solve for x
    x = 41,551,308.23/7,308.12
  6. Step 6: Final answer
    x = 5,685.64

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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.