Home / 8,631.83-12,947.84-2,392.22

Finding the Fourth Proportional to 8,631.83, 12,947.84 and 2,392.22

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Solution

The fourth proportional to 8,631.83, 12,947.84 and 2,392.22 is: 3,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.83 : 12,947.84 = 2,392.22 : x
  2. Step 2: Convert to fraction form
    8,631.83/12,947.84 = 2,392.22/x
  3. Step 3: Cross multiply
    8,631.83x = 12,947.84 × 2,392.22
  4. Step 4: Simplify right side
    8,631.83x = 30,974,081.80
  5. Step 5: Solve for x
    x = 30,974,081.80/8,631.83
  6. Step 6: Final answer
    x = 3,588.36

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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.