Home / 4,257.76-6,386.56-2,322.28

Finding the Fourth Proportional to 4,257.76, 6,386.56 and 2,322.28

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Solution

The fourth proportional to 4,257.76, 6,386.56 and 2,322.28 is: 3,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.76 : 6,386.56 = 2,322.28 : x
  2. Step 2: Convert to fraction form
    4,257.76/6,386.56 = 2,322.28/x
  3. Step 3: Cross multiply
    4,257.76x = 6,386.56 × 2,322.28
  4. Step 4: Simplify right side
    4,257.76x = 14,831,380.56
  5. Step 5: Solve for x
    x = 14,831,380.56/4,257.76
  6. Step 6: Final answer
    x = 3,483.38

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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.