Home / 8,071.52-12,112.74-4,374.95

Finding the Fourth Proportional to 8,071.52, 12,112.74 and 4,374.95

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Solution

The fourth proportional to 8,071.52, 12,112.74 and 4,374.95 is: 6,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.52 : 12,112.74 = 4,374.95 : x
  2. Step 2: Convert to fraction form
    8,071.52/12,112.74 = 4,374.95/x
  3. Step 3: Cross multiply
    8,071.52x = 12,112.74 × 4,374.95
  4. Step 4: Simplify right side
    8,071.52x = 52,992,571.30
  5. Step 5: Solve for x
    x = 52,992,571.30/8,071.52
  6. Step 6: Final answer
    x = 6,565.38

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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.