Home / 6,511.43-9,766.08-1,831.76

Finding the Fourth Proportional to 6,511.43, 9,766.08 and 1,831.76

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Solution

The fourth proportional to 6,511.43, 9,766.08 and 1,831.76 is: 2,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.43 : 9,766.08 = 1,831.76 : x
  2. Step 2: Convert to fraction form
    6,511.43/9,766.08 = 1,831.76/x
  3. Step 3: Cross multiply
    6,511.43x = 9,766.08 × 1,831.76
  4. Step 4: Simplify right side
    6,511.43x = 17,889,114.70
  5. Step 5: Solve for x
    x = 17,889,114.70/6,511.43
  6. Step 6: Final answer
    x = 2,747.34

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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.