Home / 7,275.78-10,913.64-2,082.06

Finding the Fourth Proportional to 7,275.78, 10,913.64 and 2,082.06

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Solution

The fourth proportional to 7,275.78, 10,913.64 and 2,082.06 is: 3,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.78 : 10,913.64 = 2,082.06 : x
  2. Step 2: Convert to fraction form
    7,275.78/10,913.64 = 2,082.06/x
  3. Step 3: Cross multiply
    7,275.78x = 10,913.64 × 2,082.06
  4. Step 4: Simplify right side
    7,275.78x = 22,722,853.30
  5. Step 5: Solve for x
    x = 22,722,853.30/7,275.78
  6. Step 6: Final answer
    x = 3,123.08

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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.