Home / 4,343.81-5,989.60-3,146.42

Finding the Fourth Proportional to 4,343.81, 5,989.60 and 3,146.42

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Solution

The fourth proportional to 4,343.81, 5,989.60 and 3,146.42 is: 4,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.81 : 5,989.60 = 3,146.42 : x
  2. Step 2: Convert to fraction form
    4,343.81/5,989.60 = 3,146.42/x
  3. Step 3: Cross multiply
    4,343.81x = 5,989.60 × 3,146.42
  4. Step 4: Simplify right side
    4,343.81x = 18,845,804.34
  5. Step 5: Solve for x
    x = 18,845,804.34/4,343.81
  6. Step 6: Final answer
    x = 4,338.55

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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.