Home / 7,276.64-10,915.36-2,082.38

Finding the Fourth Proportional to 7,276.64, 10,915.36 and 2,082.38

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Solution

The fourth proportional to 7,276.64, 10,915.36 and 2,082.38 is: 3,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.64 : 10,915.36 = 2,082.38 : x
  2. Step 2: Convert to fraction form
    7,276.64/10,915.36 = 2,082.38/x
  3. Step 3: Cross multiply
    7,276.64x = 10,915.36 × 2,082.38
  4. Step 4: Simplify right side
    7,276.64x = 22,729,867.57
  5. Step 5: Solve for x
    x = 22,729,867.57/7,276.64
  6. Step 6: Final answer
    x = 3,123.68

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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.