Home / 7,276.65-10,915.35-2,082.39

Finding the Fourth Proportional to 7,276.65, 10,915.35 and 2,082.39

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Solution

The fourth proportional to 7,276.65, 10,915.35 and 2,082.39 is: 3,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.65 : 10,915.35 = 2,082.39 : x
  2. Step 2: Convert to fraction form
    7,276.65/10,915.35 = 2,082.39/x
  3. Step 3: Cross multiply
    7,276.65x = 10,915.35 × 2,082.39
  4. Step 4: Simplify right side
    7,276.65x = 22,730,015.69
  5. Step 5: Solve for x
    x = 22,730,015.69/7,276.65
  6. Step 6: Final answer
    x = 3,123.69

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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.