Home / 7,714.00-11,571.02-2,787.12

Finding the Fourth Proportional to 7,714.00, 11,571.02 and 2,787.12

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Solution

The fourth proportional to 7,714.00, 11,571.02 and 2,787.12 is: 4,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.00 : 11,571.02 = 2,787.12 : x
  2. Step 2: Convert to fraction form
    7,714.00/11,571.02 = 2,787.12/x
  3. Step 3: Cross multiply
    7,714.00x = 11,571.02 × 2,787.12
  4. Step 4: Simplify right side
    7,714.00x = 32,249,817.78
  5. Step 5: Solve for x
    x = 32,249,817.78/7,714.00
  6. Step 6: Final answer
    x = 4,180.69

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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.