Home / 9,216.79-13,823.33-2,641.21

Finding the Fourth Proportional to 9,216.79, 13,823.33 and 2,641.21

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Solution

The fourth proportional to 9,216.79, 13,823.33 and 2,641.21 is: 3,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.79 : 13,823.33 = 2,641.21 : x
  2. Step 2: Convert to fraction form
    9,216.79/13,823.33 = 2,641.21/x
  3. Step 3: Cross multiply
    9,216.79x = 13,823.33 × 2,641.21
  4. Step 4: Simplify right side
    9,216.79x = 36,510,269.66
  5. Step 5: Solve for x
    x = 36,510,269.66/9,216.79
  6. Step 6: Final answer
    x = 3,961.28

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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.