Home / 4,938.99-6,812.60-3,167.79

Finding the Fourth Proportional to 4,938.99, 6,812.60 and 3,167.79

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Solution

The fourth proportional to 4,938.99, 6,812.60 and 3,167.79 is: 4,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.99 : 6,812.60 = 3,167.79 : x
  2. Step 2: Convert to fraction form
    4,938.99/6,812.60 = 3,167.79/x
  3. Step 3: Cross multiply
    4,938.99x = 6,812.60 × 3,167.79
  4. Step 4: Simplify right side
    4,938.99x = 21,580,870.32
  5. Step 5: Solve for x
    x = 21,580,870.32/4,938.99
  6. Step 6: Final answer
    x = 4,369.49

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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.