Home / 8,767.78-13,152.30-2,763.34

Finding the Fourth Proportional to 8,767.78, 13,152.30 and 2,763.34

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Solution

The fourth proportional to 8,767.78, 13,152.30 and 2,763.34 is: 4,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.78 : 13,152.30 = 2,763.34 : x
  2. Step 2: Convert to fraction form
    8,767.78/13,152.30 = 2,763.34/x
  3. Step 3: Cross multiply
    8,767.78x = 13,152.30 × 2,763.34
  4. Step 4: Simplify right side
    8,767.78x = 36,344,276.68
  5. Step 5: Solve for x
    x = 36,344,276.68/8,767.78
  6. Step 6: Final answer
    x = 4,145.21

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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.