Home / 8,757.16-12,089.34-6,763.24

Finding the Fourth Proportional to 8,757.16, 12,089.34 and 6,763.24

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Solution

The fourth proportional to 8,757.16, 12,089.34 and 6,763.24 is: 9,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.16 : 12,089.34 = 6,763.24 : x
  2. Step 2: Convert to fraction form
    8,757.16/12,089.34 = 6,763.24/x
  3. Step 3: Cross multiply
    8,757.16x = 12,089.34 × 6,763.24
  4. Step 4: Simplify right side
    8,757.16x = 81,763,107.86
  5. Step 5: Solve for x
    x = 81,763,107.86/8,757.16
  6. Step 6: Final answer
    x = 9,336.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.