Home / 4,753.21-7,126.17-2,905.20

Finding the Fourth Proportional to 4,753.21, 7,126.17 and 2,905.20

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Solution

The fourth proportional to 4,753.21, 7,126.17 and 2,905.20 is: 4,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.21 : 7,126.17 = 2,905.20 : x
  2. Step 2: Convert to fraction form
    4,753.21/7,126.17 = 2,905.20/x
  3. Step 3: Cross multiply
    4,753.21x = 7,126.17 × 2,905.20
  4. Step 4: Simplify right side
    4,753.21x = 20,702,949.08
  5. Step 5: Solve for x
    x = 20,702,949.08/4,753.21
  6. Step 6: Final answer
    x = 4,355.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.