Home / 6,938.28-9,574.98-3,794.40

Finding the Fourth Proportional to 6,938.28, 9,574.98 and 3,794.40

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Solution

The fourth proportional to 6,938.28, 9,574.98 and 3,794.40 is: 5,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.28 : 9,574.98 = 3,794.40 : x
  2. Step 2: Convert to fraction form
    6,938.28/9,574.98 = 3,794.40/x
  3. Step 3: Cross multiply
    6,938.28x = 9,574.98 × 3,794.40
  4. Step 4: Simplify right side
    6,938.28x = 36,331,304.11
  5. Step 5: Solve for x
    x = 36,331,304.11/6,938.28
  6. Step 6: Final answer
    x = 5,236.36

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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.