Home / 6,518.12-9,777.75-1,838.17

Finding the Fourth Proportional to 6,518.12, 9,777.75 and 1,838.17

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Solution

The fourth proportional to 6,518.12, 9,777.75 and 1,838.17 is: 2,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.12 : 9,777.75 = 1,838.17 : x
  2. Step 2: Convert to fraction form
    6,518.12/9,777.75 = 1,838.17/x
  3. Step 3: Cross multiply
    6,518.12x = 9,777.75 × 1,838.17
  4. Step 4: Simplify right side
    6,518.12x = 17,973,149.17
  5. Step 5: Solve for x
    x = 17,973,149.17/6,518.12
  6. Step 6: Final answer
    x = 2,757.41

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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.