Home / 6,865.29-10,281.42-6,520.77

Finding the Fourth Proportional to 6,865.29, 10,281.42 and 6,520.77

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Solution

The fourth proportional to 6,865.29, 10,281.42 and 6,520.77 is: 9,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.29 : 10,281.42 = 6,520.77 : x
  2. Step 2: Convert to fraction form
    6,865.29/10,281.42 = 6,520.77/x
  3. Step 3: Cross multiply
    6,865.29x = 10,281.42 × 6,520.77
  4. Step 4: Simplify right side
    6,865.29x = 67,042,775.09
  5. Step 5: Solve for x
    x = 67,042,775.09/6,865.29
  6. Step 6: Final answer
    x = 9,765.47

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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.