Home / 6,515.87-9,774.25-2,620.28

Finding the Fourth Proportional to 6,515.87, 9,774.25 and 2,620.28

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Solution

The fourth proportional to 6,515.87, 9,774.25 and 2,620.28 is: 3,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.87 : 9,774.25 = 2,620.28 : x
  2. Step 2: Convert to fraction form
    6,515.87/9,774.25 = 2,620.28/x
  3. Step 3: Cross multiply
    6,515.87x = 9,774.25 × 2,620.28
  4. Step 4: Simplify right side
    6,515.87x = 25,611,289.67
  5. Step 5: Solve for x
    x = 25,611,289.67/6,515.87
  6. Step 6: Final answer
    x = 3,930.60

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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.