Home / 6,681.64-9,220.98-3,888.04

Finding the Fourth Proportional to 6,681.64, 9,220.98 and 3,888.04

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Solution

The fourth proportional to 6,681.64, 9,220.98 and 3,888.04 is: 5,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.64 : 9,220.98 = 3,888.04 : x
  2. Step 2: Convert to fraction form
    6,681.64/9,220.98 = 3,888.04/x
  3. Step 3: Cross multiply
    6,681.64x = 9,220.98 × 3,888.04
  4. Step 4: Simplify right side
    6,681.64x = 35,851,539.08
  5. Step 5: Solve for x
    x = 35,851,539.08/6,681.64
  6. Step 6: Final answer
    x = 5,365.68

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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.