Home / 7,972.84-11,959.26-6,580.18

Finding the Fourth Proportional to 7,972.84, 11,959.26 and 6,580.18

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Solution

The fourth proportional to 7,972.84, 11,959.26 and 6,580.18 is: 9,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.84 : 11,959.26 = 6,580.18 : x
  2. Step 2: Convert to fraction form
    7,972.84/11,959.26 = 6,580.18/x
  3. Step 3: Cross multiply
    7,972.84x = 11,959.26 × 6,580.18
  4. Step 4: Simplify right side
    7,972.84x = 78,693,990.77
  5. Step 5: Solve for x
    x = 78,693,990.77/7,972.84
  6. Step 6: Final answer
    x = 9,870.26

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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.