Home / 6,528.87-9,795.51-2,147.04

Finding the Fourth Proportional to 6,528.87, 9,795.51 and 2,147.04

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Solution

The fourth proportional to 6,528.87, 9,795.51 and 2,147.04 is: 3,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.87 : 9,795.51 = 2,147.04 : x
  2. Step 2: Convert to fraction form
    6,528.87/9,795.51 = 2,147.04/x
  3. Step 3: Cross multiply
    6,528.87x = 9,795.51 × 2,147.04
  4. Step 4: Simplify right side
    6,528.87x = 21,031,351.79
  5. Step 5: Solve for x
    x = 21,031,351.79/6,528.87
  6. Step 6: Final answer
    x = 3,221.29

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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.