Home / 6,753.90-10,122.64-4,780.10

Finding the Fourth Proportional to 6,753.90, 10,122.64 and 4,780.10

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Solution

The fourth proportional to 6,753.90, 10,122.64 and 4,780.10 is: 7,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.90 : 10,122.64 = 4,780.10 : x
  2. Step 2: Convert to fraction form
    6,753.90/10,122.64 = 4,780.10/x
  3. Step 3: Cross multiply
    6,753.90x = 10,122.64 × 4,780.10
  4. Step 4: Simplify right side
    6,753.90x = 48,387,240.67
  5. Step 5: Solve for x
    x = 48,387,240.67/6,753.90
  6. Step 6: Final answer
    x = 7,164.34

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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.