Home / 8,815.74-12,165.64-4,836.81

Finding the Fourth Proportional to 8,815.74, 12,165.64 and 4,836.81

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Solution

The fourth proportional to 8,815.74, 12,165.64 and 4,836.81 is: 6,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.74 : 12,165.64 = 4,836.81 : x
  2. Step 2: Convert to fraction form
    8,815.74/12,165.64 = 4,836.81/x
  3. Step 3: Cross multiply
    8,815.74x = 12,165.64 × 4,836.81
  4. Step 4: Simplify right side
    8,815.74x = 58,842,949.94
  5. Step 5: Solve for x
    x = 58,842,949.94/8,815.74
  6. Step 6: Final answer
    x = 6,674.76

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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.