Home / 5,379.40-7,426.07-3,589.84

Finding the Fourth Proportional to 5,379.40, 7,426.07 and 3,589.84

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Solution

The fourth proportional to 5,379.40, 7,426.07 and 3,589.84 is: 4,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.40 : 7,426.07 = 3,589.84 : x
  2. Step 2: Convert to fraction form
    5,379.40/7,426.07 = 3,589.84/x
  3. Step 3: Cross multiply
    5,379.40x = 7,426.07 × 3,589.84
  4. Step 4: Simplify right side
    5,379.40x = 26,658,403.13
  5. Step 5: Solve for x
    x = 26,658,403.13/5,379.40
  6. Step 6: Final answer
    x = 4,955.65

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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.