Home / 5,479.94-8,215.61-2,357.39

Finding the Fourth Proportional to 5,479.94, 8,215.61 and 2,357.39

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Solution

The fourth proportional to 5,479.94, 8,215.61 and 2,357.39 is: 3,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.94 : 8,215.61 = 2,357.39 : x
  2. Step 2: Convert to fraction form
    5,479.94/8,215.61 = 2,357.39/x
  3. Step 3: Cross multiply
    5,479.94x = 8,215.61 × 2,357.39
  4. Step 4: Simplify right side
    5,479.94x = 19,367,396.86
  5. Step 5: Solve for x
    x = 19,367,396.86/5,479.94
  6. Step 6: Final answer
    x = 3,534.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.