Home / 5,047.71-7,571.52-1,299.48

Finding the Fourth Proportional to 5,047.71, 7,571.52 and 1,299.48

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Solution

The fourth proportional to 5,047.71, 7,571.52 and 1,299.48 is: 1,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.71 : 7,571.52 = 1,299.48 : x
  2. Step 2: Convert to fraction form
    5,047.71/7,571.52 = 1,299.48/x
  3. Step 3: Cross multiply
    5,047.71x = 7,571.52 × 1,299.48
  4. Step 4: Simplify right side
    5,047.71x = 9,839,038.81
  5. Step 5: Solve for x
    x = 9,839,038.81/5,047.71
  6. Step 6: Final answer
    x = 1,949.21

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Similar ratio
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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.