Home / 5,440.07-8,161.54-2,320.25

Finding the Fourth Proportional to 5,440.07, 8,161.54 and 2,320.25

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Solution

The fourth proportional to 5,440.07, 8,161.54 and 2,320.25 is: 3,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.07 : 8,161.54 = 2,320.25 : x
  2. Step 2: Convert to fraction form
    5,440.07/8,161.54 = 2,320.25/x
  3. Step 3: Cross multiply
    5,440.07x = 8,161.54 × 2,320.25
  4. Step 4: Simplify right side
    5,440.07x = 18,936,827.79
  5. Step 5: Solve for x
    x = 18,936,827.79/5,440.07
  6. Step 6: Final answer
    x = 3,480.99

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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.