Home / 6,868.51-9,478.56-3,884.08

Finding the Fourth Proportional to 6,868.51, 9,478.56 and 3,884.08

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Solution

The fourth proportional to 6,868.51, 9,478.56 and 3,884.08 is: 5,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.51 : 9,478.56 = 3,884.08 : x
  2. Step 2: Convert to fraction form
    6,868.51/9,478.56 = 3,884.08/x
  3. Step 3: Cross multiply
    6,868.51x = 9,478.56 × 3,884.08
  4. Step 4: Simplify right side
    6,868.51x = 36,815,485.32
  5. Step 5: Solve for x
    x = 36,815,485.32/6,868.51
  6. Step 6: Final answer
    x = 5,360.04

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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.