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Finding the Fourth Proportional to 6,510.76, 9,766.41 and 1,893.76

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Solution

The fourth proportional to 6,510.76, 9,766.41 and 1,893.76 is: 2,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.76 : 9,766.41 = 1,893.76 : x
  2. Step 2: Convert to fraction form
    6,510.76/9,766.41 = 1,893.76/x
  3. Step 3: Cross multiply
    6,510.76x = 9,766.41 × 1,893.76
  4. Step 4: Simplify right side
    6,510.76x = 18,495,205.08
  5. Step 5: Solve for x
    x = 18,495,205.08/6,510.76
  6. Step 6: Final answer
    x = 2,840.71

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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.