Home / 6,518.36-9,776.76-1,838.72

Finding the Fourth Proportional to 6,518.36, 9,776.76 and 1,838.72

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Solution

The fourth proportional to 6,518.36, 9,776.76 and 1,838.72 is: 2,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.36 : 9,776.76 = 1,838.72 : x
  2. Step 2: Convert to fraction form
    6,518.36/9,776.76 = 1,838.72/x
  3. Step 3: Cross multiply
    6,518.36x = 9,776.76 × 1,838.72
  4. Step 4: Simplify right side
    6,518.36x = 17,976,724.15
  5. Step 5: Solve for x
    x = 17,976,724.15/6,518.36
  6. Step 6: Final answer
    x = 2,757.86

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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.