Home / 5,571.29-7,686.82-4,388.69

Finding the Fourth Proportional to 5,571.29, 7,686.82 and 4,388.69

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Solution

The fourth proportional to 5,571.29, 7,686.82 and 4,388.69 is: 6,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.29 : 7,686.82 = 4,388.69 : x
  2. Step 2: Convert to fraction form
    5,571.29/7,686.82 = 4,388.69/x
  3. Step 3: Cross multiply
    5,571.29x = 7,686.82 × 4,388.69
  4. Step 4: Simplify right side
    5,571.29x = 33,735,070.07
  5. Step 5: Solve for x
    x = 33,735,070.07/5,571.29
  6. Step 6: Final answer
    x = 6,055.16

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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.