Home / 6,675.68-9,212.28-3,881.36

Finding the Fourth Proportional to 6,675.68, 9,212.28 and 3,881.36

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Solution

The fourth proportional to 6,675.68, 9,212.28 and 3,881.36 is: 5,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.68 : 9,212.28 = 3,881.36 : x
  2. Step 2: Convert to fraction form
    6,675.68/9,212.28 = 3,881.36/x
  3. Step 3: Cross multiply
    6,675.68x = 9,212.28 × 3,881.36
  4. Step 4: Simplify right side
    6,675.68x = 35,756,175.10
  5. Step 5: Solve for x
    x = 35,756,175.10/6,675.68
  6. Step 6: Final answer
    x = 5,356.18

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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.