Home / 6,868.60-10,304.84-1,938.29

Finding the Fourth Proportional to 6,868.60, 10,304.84 and 1,938.29

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Solution

The fourth proportional to 6,868.60, 10,304.84 and 1,938.29 is: 2,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.60 : 10,304.84 = 1,938.29 : x
  2. Step 2: Convert to fraction form
    6,868.60/10,304.84 = 1,938.29/x
  3. Step 3: Cross multiply
    6,868.60x = 10,304.84 × 1,938.29
  4. Step 4: Simplify right side
    6,868.60x = 19,973,710.74
  5. Step 5: Solve for x
    x = 19,973,710.74/6,868.60
  6. Step 6: Final answer
    x = 2,907.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.