Home / 8,813.81-13,221.08-2,240.17

Finding the Fourth Proportional to 8,813.81, 13,221.08 and 2,240.17

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Solution

The fourth proportional to 8,813.81, 13,221.08 and 2,240.17 is: 3,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.81 : 13,221.08 = 2,240.17 : x
  2. Step 2: Convert to fraction form
    8,813.81/13,221.08 = 2,240.17/x
  3. Step 3: Cross multiply
    8,813.81x = 13,221.08 × 2,240.17
  4. Step 4: Simplify right side
    8,813.81x = 29,617,466.78
  5. Step 5: Solve for x
    x = 29,617,466.78/8,813.81
  6. Step 6: Final answer
    x = 3,360.35

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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.