Home / 9,114.50-13,673.07-2,872.40

Finding the Fourth Proportional to 9,114.50, 13,673.07 and 2,872.40

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Solution

The fourth proportional to 9,114.50, 13,673.07 and 2,872.40 is: 4,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.50 : 13,673.07 = 2,872.40 : x
  2. Step 2: Convert to fraction form
    9,114.50/13,673.07 = 2,872.40/x
  3. Step 3: Cross multiply
    9,114.50x = 13,673.07 × 2,872.40
  4. Step 4: Simplify right side
    9,114.50x = 39,274,526.27
  5. Step 5: Solve for x
    x = 39,274,526.27/9,114.50
  6. Step 6: Final answer
    x = 4,309.02

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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.