Home / 4,479.36-6,716.22-1,557.90

Finding the Fourth Proportional to 4,479.36, 6,716.22 and 1,557.90

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Solution

The fourth proportional to 4,479.36, 6,716.22 and 1,557.90 is: 2,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.36 : 6,716.22 = 1,557.90 : x
  2. Step 2: Convert to fraction form
    4,479.36/6,716.22 = 1,557.90/x
  3. Step 3: Cross multiply
    4,479.36x = 6,716.22 × 1,557.90
  4. Step 4: Simplify right side
    4,479.36x = 10,463,199.14
  5. Step 5: Solve for x
    x = 10,463,199.14/4,479.36
  6. Step 6: Final answer
    x = 2,335.87

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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.