Home / 5,891.30-8,130.15-3,202.70

Finding the Fourth Proportional to 5,891.30, 8,130.15 and 3,202.70

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Solution

The fourth proportional to 5,891.30, 8,130.15 and 3,202.70 is: 4,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.30 : 8,130.15 = 3,202.70 : x
  2. Step 2: Convert to fraction form
    5,891.30/8,130.15 = 3,202.70/x
  3. Step 3: Cross multiply
    5,891.30x = 8,130.15 × 3,202.70
  4. Step 4: Simplify right side
    5,891.30x = 26,038,431.41
  5. Step 5: Solve for x
    x = 26,038,431.41/5,891.30
  6. Step 6: Final answer
    x = 4,419.81

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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.