Home / 5,479.04-8,222.16-2,557.46

Finding the Fourth Proportional to 5,479.04, 8,222.16 and 2,557.46

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Solution

The fourth proportional to 5,479.04, 8,222.16 and 2,557.46 is: 3,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.04 : 8,222.16 = 2,557.46 : x
  2. Step 2: Convert to fraction form
    5,479.04/8,222.16 = 2,557.46/x
  3. Step 3: Cross multiply
    5,479.04x = 8,222.16 × 2,557.46
  4. Step 4: Simplify right side
    5,479.04x = 21,027,845.31
  5. Step 5: Solve for x
    x = 21,027,845.31/5,479.04
  6. Step 6: Final answer
    x = 3,837.87

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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.