Home / 5,571.15-7,683.91-4,078.53

Finding the Fourth Proportional to 5,571.15, 7,683.91 and 4,078.53

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Solution

The fourth proportional to 5,571.15, 7,683.91 and 4,078.53 is: 5,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.15 : 7,683.91 = 4,078.53 : x
  2. Step 2: Convert to fraction form
    5,571.15/7,683.91 = 4,078.53/x
  3. Step 3: Cross multiply
    5,571.15x = 7,683.91 × 4,078.53
  4. Step 4: Simplify right side
    5,571.15x = 31,339,057.45
  5. Step 5: Solve for x
    x = 31,339,057.45/5,571.15
  6. Step 6: Final answer
    x = 5,625.24

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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.