Home / 5,288.13-7,932.32-1,778.26

Finding the Fourth Proportional to 5,288.13, 7,932.32 and 1,778.26

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Solution

The fourth proportional to 5,288.13, 7,932.32 and 1,778.26 is: 2,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.13 : 7,932.32 = 1,778.26 : x
  2. Step 2: Convert to fraction form
    5,288.13/7,932.32 = 1,778.26/x
  3. Step 3: Cross multiply
    5,288.13x = 7,932.32 × 1,778.26
  4. Step 4: Simplify right side
    5,288.13x = 14,105,727.36
  5. Step 5: Solve for x
    x = 14,105,727.36/5,288.13
  6. Step 6: Final answer
    x = 2,667.43

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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.