Home / 6,654.03-9,979.35-1,972.95

Finding the Fourth Proportional to 6,654.03, 9,979.35 and 1,972.95

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Solution

The fourth proportional to 6,654.03, 9,979.35 and 1,972.95 is: 2,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.03 : 9,979.35 = 1,972.95 : x
  2. Step 2: Convert to fraction form
    6,654.03/9,979.35 = 1,972.95/x
  3. Step 3: Cross multiply
    6,654.03x = 9,979.35 × 1,972.95
  4. Step 4: Simplify right side
    6,654.03x = 19,688,751.18
  5. Step 5: Solve for x
    x = 19,688,751.18/6,654.03
  6. Step 6: Final answer
    x = 2,958.92

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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.