Home / 5,288.14-7,932.28-1,778.30

Finding the Fourth Proportional to 5,288.14, 7,932.28 and 1,778.30

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Solution

The fourth proportional to 5,288.14, 7,932.28 and 1,778.30 is: 2,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.14 : 7,932.28 = 1,778.30 : x
  2. Step 2: Convert to fraction form
    5,288.14/7,932.28 = 1,778.30/x
  3. Step 3: Cross multiply
    5,288.14x = 7,932.28 × 1,778.30
  4. Step 4: Simplify right side
    5,288.14x = 14,106,007.12
  5. Step 5: Solve for x
    x = 14,106,007.12/5,288.14
  6. Step 6: Final answer
    x = 2,667.48

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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.