Home / 6,528.72-9,791.16-2,830.06

Finding the Fourth Proportional to 6,528.72, 9,791.16 and 2,830.06

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Solution

The fourth proportional to 6,528.72, 9,791.16 and 2,830.06 is: 4,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.72 : 9,791.16 = 2,830.06 : x
  2. Step 2: Convert to fraction form
    6,528.72/9,791.16 = 2,830.06/x
  3. Step 3: Cross multiply
    6,528.72x = 9,791.16 × 2,830.06
  4. Step 4: Simplify right side
    6,528.72x = 27,709,570.27
  5. Step 5: Solve for x
    x = 27,709,570.27/6,528.72
  6. Step 6: Final answer
    x = 4,244.26

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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.