Home / 6,528.11-9,786.02-2,142.72

Finding the Fourth Proportional to 6,528.11, 9,786.02 and 2,142.72

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Solution

The fourth proportional to 6,528.11, 9,786.02 and 2,142.72 is: 3,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.11 : 9,786.02 = 2,142.72 : x
  2. Step 2: Convert to fraction form
    6,528.11/9,786.02 = 2,142.72/x
  3. Step 3: Cross multiply
    6,528.11x = 9,786.02 × 2,142.72
  4. Step 4: Simplify right side
    6,528.11x = 20,968,690.06
  5. Step 5: Solve for x
    x = 20,968,690.06/6,528.11
  6. Step 6: Final answer
    x = 3,212.06

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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.