Home / 4,035-5,571.54-2,640.18

Finding the Fourth Proportional to 4,035, 5,571.54 and 2,640.18

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Solution

The fourth proportional to 4,035, 5,571.54 and 2,640.18 is: 3,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,035 : 5,571.54 = 2,640.18 : x
  2. Step 2: Convert to fraction form
    4,035/5,571.54 = 2,640.18/x
  3. Step 3: Cross multiply
    4,035x = 5,571.54 × 2,640.18
  4. Step 4: Simplify right side
    4,035x = 14,709,868.48
  5. Step 5: Solve for x
    x = 14,709,868.48/4,035
  6. Step 6: Final answer
    x = 3,645.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.