Home / 5,938.84-8,195.56-3,420.03

Finding the Fourth Proportional to 5,938.84, 8,195.56 and 3,420.03

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Solution

The fourth proportional to 5,938.84, 8,195.56 and 3,420.03 is: 4,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.84 : 8,195.56 = 3,420.03 : x
  2. Step 2: Convert to fraction form
    5,938.84/8,195.56 = 3,420.03/x
  3. Step 3: Cross multiply
    5,938.84x = 8,195.56 × 3,420.03
  4. Step 4: Simplify right side
    5,938.84x = 28,029,052.52
  5. Step 5: Solve for x
    x = 28,029,052.52/5,938.84
  6. Step 6: Final answer
    x = 4,719.62

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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.