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Finding the Fourth Proportional to 5,248.10, 7,867.28 and 1,958.69

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Solution

The fourth proportional to 5,248.10, 7,867.28 and 1,958.69 is: 2,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.10 : 7,867.28 = 1,958.69 : x
  2. Step 2: Convert to fraction form
    5,248.10/7,867.28 = 1,958.69/x
  3. Step 3: Cross multiply
    5,248.10x = 7,867.28 × 1,958.69
  4. Step 4: Simplify right side
    5,248.10x = 15,409,513.53
  5. Step 5: Solve for x
    x = 15,409,513.53/5,248.10
  6. Step 6: Final answer
    x = 2,936.21

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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.