Home / 8,211.06-12,314.79-2,366.40

Finding the Fourth Proportional to 8,211.06, 12,314.79 and 2,366.40

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Solution

The fourth proportional to 8,211.06, 12,314.79 and 2,366.40 is: 3,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.06 : 12,314.79 = 2,366.40 : x
  2. Step 2: Convert to fraction form
    8,211.06/12,314.79 = 2,366.40/x
  3. Step 3: Cross multiply
    8,211.06x = 12,314.79 × 2,366.40
  4. Step 4: Simplify right side
    8,211.06x = 29,141,719.06
  5. Step 5: Solve for x
    x = 29,141,719.06/8,211.06
  6. Step 6: Final answer
    x = 3,549.08

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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.