Home / 5,172.74-7,756.44-2,539.07

Finding the Fourth Proportional to 5,172.74, 7,756.44 and 2,539.07

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Solution

The fourth proportional to 5,172.74, 7,756.44 and 2,539.07 is: 3,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.74 : 7,756.44 = 2,539.07 : x
  2. Step 2: Convert to fraction form
    5,172.74/7,756.44 = 2,539.07/x
  3. Step 3: Cross multiply
    5,172.74x = 7,756.44 × 2,539.07
  4. Step 4: Simplify right side
    5,172.74x = 19,694,153.98
  5. Step 5: Solve for x
    x = 19,694,153.98/5,172.74
  6. Step 6: Final answer
    x = 3,807.29

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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.