Home / 5,247.87-7,871.90-1,550.17

Finding the Fourth Proportional to 5,247.87, 7,871.90 and 1,550.17

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Solution

The fourth proportional to 5,247.87, 7,871.90 and 1,550.17 is: 2,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.87 : 7,871.90 = 1,550.17 : x
  2. Step 2: Convert to fraction form
    5,247.87/7,871.90 = 1,550.17/x
  3. Step 3: Cross multiply
    5,247.87x = 7,871.90 × 1,550.17
  4. Step 4: Simplify right side
    5,247.87x = 12,202,783.22
  5. Step 5: Solve for x
    x = 12,202,783.22/5,247.87
  6. Step 6: Final answer
    x = 2,325.28

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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.