Home / 8,919.18-13,380.27-3,297.18

Finding the Fourth Proportional to 8,919.18, 13,380.27 and 3,297.18

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Solution

The fourth proportional to 8,919.18, 13,380.27 and 3,297.18 is: 4,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.18 : 13,380.27 = 3,297.18 : x
  2. Step 2: Convert to fraction form
    8,919.18/13,380.27 = 3,297.18/x
  3. Step 3: Cross multiply
    8,919.18x = 13,380.27 × 3,297.18
  4. Step 4: Simplify right side
    8,919.18x = 44,117,158.64
  5. Step 5: Solve for x
    x = 44,117,158.64/8,919.18
  6. Step 6: Final answer
    x = 4,946.32

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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.