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Finding the Fourth Proportional to 6,310.71, 9,465.40 and 2,800.77

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Solution

The fourth proportional to 6,310.71, 9,465.40 and 2,800.77 is: 4,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.71 : 9,465.40 = 2,800.77 : x
  2. Step 2: Convert to fraction form
    6,310.71/9,465.40 = 2,800.77/x
  3. Step 3: Cross multiply
    6,310.71x = 9,465.40 × 2,800.77
  4. Step 4: Simplify right side
    6,310.71x = 26,510,394.35
  5. Step 5: Solve for x
    x = 26,510,394.35/6,310.71
  6. Step 6: Final answer
    x = 4,200.86

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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.