Home / 6,525.91-9,787.74-2,143.45

Finding the Fourth Proportional to 6,525.91, 9,787.74 and 2,143.45

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Solution

The fourth proportional to 6,525.91, 9,787.74 and 2,143.45 is: 3,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.91 : 9,787.74 = 2,143.45 : x
  2. Step 2: Convert to fraction form
    6,525.91/9,787.74 = 2,143.45/x
  3. Step 3: Cross multiply
    6,525.91x = 9,787.74 × 2,143.45
  4. Step 4: Simplify right side
    6,525.91x = 20,979,531.30
  5. Step 5: Solve for x
    x = 20,979,531.30/6,525.91
  6. Step 6: Final answer
    x = 3,214.81

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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.