Home / 6,511.40-9,761.34-3,047.72

Finding the Fourth Proportional to 6,511.40, 9,761.34 and 3,047.72

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Solution

The fourth proportional to 6,511.40, 9,761.34 and 3,047.72 is: 4,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.40 : 9,761.34 = 3,047.72 : x
  2. Step 2: Convert to fraction form
    6,511.40/9,761.34 = 3,047.72/x
  3. Step 3: Cross multiply
    6,511.40x = 9,761.34 × 3,047.72
  4. Step 4: Simplify right side
    6,511.40x = 29,749,831.14
  5. Step 5: Solve for x
    x = 29,749,831.14/6,511.40
  6. Step 6: Final answer
    x = 4,568.88

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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.