Home / 6,371.70-8,793.78-3,577.20

Finding the Fourth Proportional to 6,371.70, 8,793.78 and 3,577.20

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Solution

The fourth proportional to 6,371.70, 8,793.78 and 3,577.20 is: 4,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.70 : 8,793.78 = 3,577.20 : x
  2. Step 2: Convert to fraction form
    6,371.70/8,793.78 = 3,577.20/x
  3. Step 3: Cross multiply
    6,371.70x = 8,793.78 × 3,577.20
  4. Step 4: Simplify right side
    6,371.70x = 31,457,109.82
  5. Step 5: Solve for x
    x = 31,457,109.82/6,371.70
  6. Step 6: Final answer
    x = 4,937.00

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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.