Home / 8,768.20-13,152.30-2,612.20

Finding the Fourth Proportional to 8,768.20, 13,152.30 and 2,612.20

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Solution

The fourth proportional to 8,768.20, 13,152.30 and 2,612.20 is: 3,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.20 : 13,152.30 = 2,612.20 : x
  2. Step 2: Convert to fraction form
    8,768.20/13,152.30 = 2,612.20/x
  3. Step 3: Cross multiply
    8,768.20x = 13,152.30 × 2,612.20
  4. Step 4: Simplify right side
    8,768.20x = 34,356,438.06
  5. Step 5: Solve for x
    x = 34,356,438.06/8,768.20
  6. Step 6: Final answer
    x = 3,918.30

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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.