Home / 7,172.84-10,757.34-3,275.24

Finding the Fourth Proportional to 7,172.84, 10,757.34 and 3,275.24

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Solution

The fourth proportional to 7,172.84, 10,757.34 and 3,275.24 is: 4,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.84 : 10,757.34 = 3,275.24 : x
  2. Step 2: Convert to fraction form
    7,172.84/10,757.34 = 3,275.24/x
  3. Step 3: Cross multiply
    7,172.84x = 10,757.34 × 3,275.24
  4. Step 4: Simplify right side
    7,172.84x = 35,232,870.26
  5. Step 5: Solve for x
    x = 35,232,870.26/7,172.84
  6. Step 6: Final answer
    x = 4,911.98

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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.