Home / 6,407.85-9,610.95-2,511.75

Finding the Fourth Proportional to 6,407.85, 9,610.95 and 2,511.75

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Solution

The fourth proportional to 6,407.85, 9,610.95 and 2,511.75 is: 3,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.85 : 9,610.95 = 2,511.75 : x
  2. Step 2: Convert to fraction form
    6,407.85/9,610.95 = 2,511.75/x
  3. Step 3: Cross multiply
    6,407.85x = 9,610.95 × 2,511.75
  4. Step 4: Simplify right side
    6,407.85x = 24,140,303.66
  5. Step 5: Solve for x
    x = 24,140,303.66/6,407.85
  6. Step 6: Final answer
    x = 3,767.30

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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.