Home / 5,258.70-7,882.08-2,656.14

Finding the Fourth Proportional to 5,258.70, 7,882.08 and 2,656.14

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Solution

The fourth proportional to 5,258.70, 7,882.08 and 2,656.14 is: 3,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.70 : 7,882.08 = 2,656.14 : x
  2. Step 2: Convert to fraction form
    5,258.70/7,882.08 = 2,656.14/x
  3. Step 3: Cross multiply
    5,258.70x = 7,882.08 × 2,656.14
  4. Step 4: Simplify right side
    5,258.70x = 20,935,907.97
  5. Step 5: Solve for x
    x = 20,935,907.97/5,258.70
  6. Step 6: Final answer
    x = 3,981.19

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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.