Home / 8,271.53-12,405.93-2,724.95

Finding the Fourth Proportional to 8,271.53, 12,405.93 and 2,724.95

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Solution

The fourth proportional to 8,271.53, 12,405.93 and 2,724.95 is: 4,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.53 : 12,405.93 = 2,724.95 : x
  2. Step 2: Convert to fraction form
    8,271.53/12,405.93 = 2,724.95/x
  3. Step 3: Cross multiply
    8,271.53x = 12,405.93 × 2,724.95
  4. Step 4: Simplify right side
    8,271.53x = 33,805,476.92
  5. Step 5: Solve for x
    x = 33,805,476.92/8,271.53
  6. Step 6: Final answer
    x = 4,086.97

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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.