Home / 5,263.20-7,892.98-2,491.18

Finding the Fourth Proportional to 5,263.20, 7,892.98 and 2,491.18

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Solution

The fourth proportional to 5,263.20, 7,892.98 and 2,491.18 is: 3,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.20 : 7,892.98 = 2,491.18 : x
  2. Step 2: Convert to fraction form
    5,263.20/7,892.98 = 2,491.18/x
  3. Step 3: Cross multiply
    5,263.20x = 7,892.98 × 2,491.18
  4. Step 4: Simplify right side
    5,263.20x = 19,662,807.96
  5. Step 5: Solve for x
    x = 19,662,807.96/5,263.20
  6. Step 6: Final answer
    x = 3,735.90

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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.