Home / 6,921.03-9,551.53-3,937.82

Finding the Fourth Proportional to 6,921.03, 9,551.53 and 3,937.82

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Solution

The fourth proportional to 6,921.03, 9,551.53 and 3,937.82 is: 5,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.03 : 9,551.53 = 3,937.82 : x
  2. Step 2: Convert to fraction form
    6,921.03/9,551.53 = 3,937.82/x
  3. Step 3: Cross multiply
    6,921.03x = 9,551.53 × 3,937.82
  4. Step 4: Simplify right side
    6,921.03x = 37,612,184.08
  5. Step 5: Solve for x
    x = 37,612,184.08/6,921.03
  6. Step 6: Final answer
    x = 5,434.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.