Home / 4,777.12-7,165-1,966.96

Finding the Fourth Proportional to 4,777.12, 7,165 and 1,966.96

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Solution

The fourth proportional to 4,777.12, 7,165 and 1,966.96 is: 2,950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.12 : 7,165 = 1,966.96 : x
  2. Step 2: Convert to fraction form
    4,777.12/7,165 = 1,966.96/x
  3. Step 3: Cross multiply
    4,777.12x = 7,165 × 1,966.96
  4. Step 4: Simplify right side
    4,777.12x = 14,093,268.40
  5. Step 5: Solve for x
    x = 14,093,268.40/4,777.12
  6. Step 6: Final answer
    x = 2,950.16

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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.