Home / 6,516.09-9,774.60-2,620.50

Finding the Fourth Proportional to 6,516.09, 9,774.60 and 2,620.50

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Solution

The fourth proportional to 6,516.09, 9,774.60 and 2,620.50 is: 3,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.09 : 9,774.60 = 2,620.50 : x
  2. Step 2: Convert to fraction form
    6,516.09/9,774.60 = 2,620.50/x
  3. Step 3: Cross multiply
    6,516.09x = 9,774.60 × 2,620.50
  4. Step 4: Simplify right side
    6,516.09x = 25,614,339.30
  5. Step 5: Solve for x
    x = 25,614,339.30/6,516.09
  6. Step 6: Final answer
    x = 3,930.94

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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.