Home / 8,818.18-13,228.16-2,578.30

Finding the Fourth Proportional to 8,818.18, 13,228.16 and 2,578.30

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Solution

The fourth proportional to 8,818.18, 13,228.16 and 2,578.30 is: 3,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.18 : 13,228.16 = 2,578.30 : x
  2. Step 2: Convert to fraction form
    8,818.18/13,228.16 = 2,578.30/x
  3. Step 3: Cross multiply
    8,818.18x = 13,228.16 × 2,578.30
  4. Step 4: Simplify right side
    8,818.18x = 34,106,198.00
  5. Step 5: Solve for x
    x = 34,106,198.00/8,818.18
  6. Step 6: Final answer
    x = 3,867.72

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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.