Home / 4,267.34-6,398.28-2,947.40

Finding the Fourth Proportional to 4,267.34, 6,398.28 and 2,947.40

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Solution

The fourth proportional to 4,267.34, 6,398.28 and 2,947.40 is: 4,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.34 : 6,398.28 = 2,947.40 : x
  2. Step 2: Convert to fraction form
    4,267.34/6,398.28 = 2,947.40/x
  3. Step 3: Cross multiply
    4,267.34x = 6,398.28 × 2,947.40
  4. Step 4: Simplify right side
    4,267.34x = 18,858,290.47
  5. Step 5: Solve for x
    x = 18,858,290.47/4,267.34
  6. Step 6: Final answer
    x = 4,419.21

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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.