Home / 7,794.28-11,690.16-2,862.70

Finding the Fourth Proportional to 7,794.28, 11,690.16 and 2,862.70

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Solution

The fourth proportional to 7,794.28, 11,690.16 and 2,862.70 is: 4,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.28 : 11,690.16 = 2,862.70 : x
  2. Step 2: Convert to fraction form
    7,794.28/11,690.16 = 2,862.70/x
  3. Step 3: Cross multiply
    7,794.28x = 11,690.16 × 2,862.70
  4. Step 4: Simplify right side
    7,794.28x = 33,465,421.03
  5. Step 5: Solve for x
    x = 33,465,421.03/7,794.28
  6. Step 6: Final answer
    x = 4,293.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.