Home / 5,356.07-7,391.34-3,086.59

Finding the Fourth Proportional to 5,356.07, 7,391.34 and 3,086.59

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Solution

The fourth proportional to 5,356.07, 7,391.34 and 3,086.59 is: 4,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.07 : 7,391.34 = 3,086.59 : x
  2. Step 2: Convert to fraction form
    5,356.07/7,391.34 = 3,086.59/x
  3. Step 3: Cross multiply
    5,356.07x = 7,391.34 × 3,086.59
  4. Step 4: Simplify right side
    5,356.07x = 22,813,990.55
  5. Step 5: Solve for x
    x = 22,813,990.55/5,356.07
  6. Step 6: Final answer
    x = 4,259.46

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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.