Home / 6,681.98-9,222.99-3,888.02

Finding the Fourth Proportional to 6,681.98, 9,222.99 and 3,888.02

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Solution

The fourth proportional to 6,681.98, 9,222.99 and 3,888.02 is: 5,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.98 : 9,222.99 = 3,888.02 : x
  2. Step 2: Convert to fraction form
    6,681.98/9,222.99 = 3,888.02/x
  3. Step 3: Cross multiply
    6,681.98x = 9,222.99 × 3,888.02
  4. Step 4: Simplify right side
    6,681.98x = 35,859,169.58
  5. Step 5: Solve for x
    x = 35,859,169.58/6,681.98
  6. Step 6: Final answer
    x = 5,366.55

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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.