Home / 8,815.72-12,165.75-4,836.88

Finding the Fourth Proportional to 8,815.72, 12,165.75 and 4,836.88

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Solution

The fourth proportional to 8,815.72, 12,165.75 and 4,836.88 is: 6,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.72 : 12,165.75 = 4,836.88 : x
  2. Step 2: Convert to fraction form
    8,815.72/12,165.75 = 4,836.88/x
  3. Step 3: Cross multiply
    8,815.72x = 12,165.75 × 4,836.88
  4. Step 4: Simplify right side
    8,815.72x = 58,844,272.86
  5. Step 5: Solve for x
    x = 58,844,272.86/8,815.72
  6. Step 6: Final answer
    x = 6,674.93

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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.