Home / 6,938.60-9,574.78-3,794.72

Finding the Fourth Proportional to 6,938.60, 9,574.78 and 3,794.72

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Solution

The fourth proportional to 6,938.60, 9,574.78 and 3,794.72 is: 5,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.60 : 9,574.78 = 3,794.72 : x
  2. Step 2: Convert to fraction form
    6,938.60/9,574.78 = 3,794.72/x
  3. Step 3: Cross multiply
    6,938.60x = 9,574.78 × 3,794.72
  4. Step 4: Simplify right side
    6,938.60x = 36,333,609.16
  5. Step 5: Solve for x
    x = 36,333,609.16/6,938.60
  6. Step 6: Final answer
    x = 5,236.45

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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.