Home / 6,868.12-9,477.88-3,724.28

Finding the Fourth Proportional to 6,868.12, 9,477.88 and 3,724.28

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Solution

The fourth proportional to 6,868.12, 9,477.88 and 3,724.28 is: 5,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.12 : 9,477.88 = 3,724.28 : x
  2. Step 2: Convert to fraction form
    6,868.12/9,477.88 = 3,724.28/x
  3. Step 3: Cross multiply
    6,868.12x = 9,477.88 × 3,724.28
  4. Step 4: Simplify right side
    6,868.12x = 35,298,278.93
  5. Step 5: Solve for x
    x = 35,298,278.93/6,868.12
  6. Step 6: Final answer
    x = 5,139.44

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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.