Home / 4,292.39-6,435.30-2,972.35

Finding the Fourth Proportional to 4,292.39, 6,435.30 and 2,972.35

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Solution

The fourth proportional to 4,292.39, 6,435.30 and 2,972.35 is: 4,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.39 : 6,435.30 = 2,972.35 : x
  2. Step 2: Convert to fraction form
    4,292.39/6,435.30 = 2,972.35/x
  3. Step 3: Cross multiply
    4,292.39x = 6,435.30 × 2,972.35
  4. Step 4: Simplify right side
    4,292.39x = 19,127,930.23
  5. Step 5: Solve for x
    x = 19,127,930.23/4,292.39
  6. Step 6: Final answer
    x = 4,456.25

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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.