Home / 8,118.64-12,176.34-2,852.65

Finding the Fourth Proportional to 8,118.64, 12,176.34 and 2,852.65

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Solution

The fourth proportional to 8,118.64, 12,176.34 and 2,852.65 is: 4,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.64 : 12,176.34 = 2,852.65 : x
  2. Step 2: Convert to fraction form
    8,118.64/12,176.34 = 2,852.65/x
  3. Step 3: Cross multiply
    8,118.64x = 12,176.34 × 2,852.65
  4. Step 4: Simplify right side
    8,118.64x = 34,734,836.30
  5. Step 5: Solve for x
    x = 34,734,836.30/8,118.64
  6. Step 6: Final answer
    x = 4,278.41

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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.