Home / 5,288.13-7,932.23-1,392.50

Finding the Fourth Proportional to 5,288.13, 7,932.23 and 1,392.50

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Solution

The fourth proportional to 5,288.13, 7,932.23 and 1,392.50 is: 2,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.13 : 7,932.23 = 1,392.50 : x
  2. Step 2: Convert to fraction form
    5,288.13/7,932.23 = 1,392.50/x
  3. Step 3: Cross multiply
    5,288.13x = 7,932.23 × 1,392.50
  4. Step 4: Simplify right side
    5,288.13x = 11,045,630.28
  5. Step 5: Solve for x
    x = 11,045,630.28/5,288.13
  6. Step 6: Final answer
    x = 2,088.76

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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.