Home / 4,839.21-6,679.53-3,160.87

Finding the Fourth Proportional to 4,839.21, 6,679.53 and 3,160.87

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Solution

The fourth proportional to 4,839.21, 6,679.53 and 3,160.87 is: 4,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.21 : 6,679.53 = 3,160.87 : x
  2. Step 2: Convert to fraction form
    4,839.21/6,679.53 = 3,160.87/x
  3. Step 3: Cross multiply
    4,839.21x = 6,679.53 × 3,160.87
  4. Step 4: Simplify right side
    4,839.21x = 21,113,076.79
  5. Step 5: Solve for x
    x = 21,113,076.79/4,839.21
  6. Step 6: Final answer
    x = 4,362.92

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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.