Home / 5,479.26-7,561.37-3,089.49

Finding the Fourth Proportional to 5,479.26, 7,561.37 and 3,089.49

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Solution

The fourth proportional to 5,479.26, 7,561.37 and 3,089.49 is: 4,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.26 : 7,561.37 = 3,089.49 : x
  2. Step 2: Convert to fraction form
    5,479.26/7,561.37 = 3,089.49/x
  3. Step 3: Cross multiply
    5,479.26x = 7,561.37 × 3,089.49
  4. Step 4: Simplify right side
    5,479.26x = 23,360,789.91
  5. Step 5: Solve for x
    x = 23,360,789.91/5,479.26
  6. Step 6: Final answer
    x = 4,263.49

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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.