Home / 6,320.82-8,720.01-3,962.51

Finding the Fourth Proportional to 6,320.82, 8,720.01 and 3,962.51

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Solution

The fourth proportional to 6,320.82, 8,720.01 and 3,962.51 is: 5,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.82 : 8,720.01 = 3,962.51 : x
  2. Step 2: Convert to fraction form
    6,320.82/8,720.01 = 3,962.51/x
  3. Step 3: Cross multiply
    6,320.82x = 8,720.01 × 3,962.51
  4. Step 4: Simplify right side
    6,320.82x = 34,553,083.23
  5. Step 5: Solve for x
    x = 34,553,083.23/6,320.82
  6. Step 6: Final answer
    x = 5,466.55

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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.