Home / 7,172.08-10,753.98-2,784.41

Finding the Fourth Proportional to 7,172.08, 10,753.98 and 2,784.41

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Solution

The fourth proportional to 7,172.08, 10,753.98 and 2,784.41 is: 4,175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.08 : 10,753.98 = 2,784.41 : x
  2. Step 2: Convert to fraction form
    7,172.08/10,753.98 = 2,784.41/x
  3. Step 3: Cross multiply
    7,172.08x = 10,753.98 × 2,784.41
  4. Step 4: Simplify right side
    7,172.08x = 29,943,497.48
  5. Step 5: Solve for x
    x = 29,943,497.48/7,172.08
  6. Step 6: Final answer
    x = 4,175.01

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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.