Home / 8,766.84-13,142.58-3,298.68

Finding the Fourth Proportional to 8,766.84, 13,142.58 and 3,298.68

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Solution

The fourth proportional to 8,766.84, 13,142.58 and 3,298.68 is: 4,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.84 : 13,142.58 = 3,298.68 : x
  2. Step 2: Convert to fraction form
    8,766.84/13,142.58 = 3,298.68/x
  3. Step 3: Cross multiply
    8,766.84x = 13,142.58 × 3,298.68
  4. Step 4: Simplify right side
    8,766.84x = 43,353,165.79
  5. Step 5: Solve for x
    x = 43,353,165.79/8,766.84
  6. Step 6: Final answer
    x = 4,945.13

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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.