Home / 5,476.41-8,200.04-4,278.51

Finding the Fourth Proportional to 5,476.41, 8,200.04 and 4,278.51

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Solution

The fourth proportional to 5,476.41, 8,200.04 and 4,278.51 is: 6,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.41 : 8,200.04 = 4,278.51 : x
  2. Step 2: Convert to fraction form
    5,476.41/8,200.04 = 4,278.51/x
  3. Step 3: Cross multiply
    5,476.41x = 8,200.04 × 4,278.51
  4. Step 4: Simplify right side
    5,476.41x = 35,083,931.75
  5. Step 5: Solve for x
    x = 35,083,931.75/5,476.41
  6. Step 6: Final answer
    x = 6,406.37

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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.