Home / 7,082.08-9,775.28-5,675.57

Finding the Fourth Proportional to 7,082.08, 9,775.28 and 5,675.57

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Solution

The fourth proportional to 7,082.08, 9,775.28 and 5,675.57 is: 7,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.08 : 9,775.28 = 5,675.57 : x
  2. Step 2: Convert to fraction form
    7,082.08/9,775.28 = 5,675.57/x
  3. Step 3: Cross multiply
    7,082.08x = 9,775.28 × 5,675.57
  4. Step 4: Simplify right side
    7,082.08x = 55,480,287.88
  5. Step 5: Solve for x
    x = 55,480,287.88/7,082.08
  6. Step 6: Final answer
    x = 7,833.89

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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.