Home / 7,825.02-11,737.38-2,630.88

Finding the Fourth Proportional to 7,825.02, 11,737.38 and 2,630.88

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Solution

The fourth proportional to 7,825.02, 11,737.38 and 2,630.88 is: 3,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.02 : 11,737.38 = 2,630.88 : x
  2. Step 2: Convert to fraction form
    7,825.02/11,737.38 = 2,630.88/x
  3. Step 3: Cross multiply
    7,825.02x = 11,737.38 × 2,630.88
  4. Step 4: Simplify right side
    7,825.02x = 30,879,638.29
  5. Step 5: Solve for x
    x = 30,879,638.29/7,825.02
  6. Step 6: Final answer
    x = 3,946.27

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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.