Home / 6,518.75-9,753.90-3,887.69

Finding the Fourth Proportional to 6,518.75, 9,753.90 and 3,887.69

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Solution

The fourth proportional to 6,518.75, 9,753.90 and 3,887.69 is: 5,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.75 : 9,753.90 = 3,887.69 : x
  2. Step 2: Convert to fraction form
    6,518.75/9,753.90 = 3,887.69/x
  3. Step 3: Cross multiply
    6,518.75x = 9,753.90 × 3,887.69
  4. Step 4: Simplify right side
    6,518.75x = 37,920,090.72
  5. Step 5: Solve for x
    x = 37,920,090.72/6,518.75
  6. Step 6: Final answer
    x = 5,817.08

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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.