Home / 6,605.12-9,887.02-4,261.99

Finding the Fourth Proportional to 6,605.12, 9,887.02 and 4,261.99

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Solution

The fourth proportional to 6,605.12, 9,887.02 and 4,261.99 is: 6,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.12 : 9,887.02 = 4,261.99 : x
  2. Step 2: Convert to fraction form
    6,605.12/9,887.02 = 4,261.99/x
  3. Step 3: Cross multiply
    6,605.12x = 9,887.02 × 4,261.99
  4. Step 4: Simplify right side
    6,605.12x = 42,138,380.37
  5. Step 5: Solve for x
    x = 42,138,380.37/6,605.12
  6. Step 6: Final answer
    x = 6,379.65

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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.