Home / 6,938.79-9,575.55-3,954.75

Finding the Fourth Proportional to 6,938.79, 9,575.55 and 3,954.75

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Solution

The fourth proportional to 6,938.79, 9,575.55 and 3,954.75 is: 5,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.79 : 9,575.55 = 3,954.75 : x
  2. Step 2: Convert to fraction form
    6,938.79/9,575.55 = 3,954.75/x
  3. Step 3: Cross multiply
    6,938.79x = 9,575.55 × 3,954.75
  4. Step 4: Simplify right side
    6,938.79x = 37,868,906.36
  5. Step 5: Solve for x
    x = 37,868,906.36/6,938.79
  6. Step 6: Final answer
    x = 5,457.57

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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.