Home / 7,787.34-11,680.98-6,717.06

Finding the Fourth Proportional to 7,787.34, 11,680.98 and 6,717.06

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Solution

The fourth proportional to 7,787.34, 11,680.98 and 6,717.06 is: 10,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.34 : 11,680.98 = 6,717.06 : x
  2. Step 2: Convert to fraction form
    7,787.34/11,680.98 = 6,717.06/x
  3. Step 3: Cross multiply
    7,787.34x = 11,680.98 × 6,717.06
  4. Step 4: Simplify right side
    7,787.34x = 78,461,843.52
  5. Step 5: Solve for x
    x = 78,461,843.52/7,787.34
  6. Step 6: Final answer
    x = 10,075.56

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1.5x scale

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.