Home / 5,319.88-7,339.44-3,080.94

Finding the Fourth Proportional to 5,319.88, 7,339.44 and 3,080.94

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Solution

The fourth proportional to 5,319.88, 7,339.44 and 3,080.94 is: 4,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.88 : 7,339.44 = 3,080.94 : x
  2. Step 2: Convert to fraction form
    5,319.88/7,339.44 = 3,080.94/x
  3. Step 3: Cross multiply
    5,319.88x = 7,339.44 × 3,080.94
  4. Step 4: Simplify right side
    5,319.88x = 22,612,332.31
  5. Step 5: Solve for x
    x = 22,612,332.31/5,319.88
  6. Step 6: Final answer
    x = 4,250.54

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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.