Home / 6,680.36-9,215.04-4,322.49

Finding the Fourth Proportional to 6,680.36, 9,215.04 and 4,322.49

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Solution

The fourth proportional to 6,680.36, 9,215.04 and 4,322.49 is: 5,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.36 : 9,215.04 = 4,322.49 : x
  2. Step 2: Convert to fraction form
    6,680.36/9,215.04 = 4,322.49/x
  3. Step 3: Cross multiply
    6,680.36x = 9,215.04 × 4,322.49
  4. Step 4: Simplify right side
    6,680.36x = 39,831,918.25
  5. Step 5: Solve for x
    x = 39,831,918.25/6,680.36
  6. Step 6: Final answer
    x = 5,962.55

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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.