Home / 4,079.52-6,118.98-1,306.50

Finding the Fourth Proportional to 4,079.52, 6,118.98 and 1,306.50

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Solution

The fourth proportional to 4,079.52, 6,118.98 and 1,306.50 is: 1,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.52 : 6,118.98 = 1,306.50 : x
  2. Step 2: Convert to fraction form
    4,079.52/6,118.98 = 1,306.50/x
  3. Step 3: Cross multiply
    4,079.52x = 6,118.98 × 1,306.50
  4. Step 4: Simplify right side
    4,079.52x = 7,994,447.37
  5. Step 5: Solve for x
    x = 7,994,447.37/4,079.52
  6. Step 6: Final answer
    x = 1,959.65

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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.