Home / 4,405.30-6,607.85-1,631.93

Finding the Fourth Proportional to 4,405.30, 6,607.85 and 1,631.93

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Solution

The fourth proportional to 4,405.30, 6,607.85 and 1,631.93 is: 2,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.30 : 6,607.85 = 1,631.93 : x
  2. Step 2: Convert to fraction form
    4,405.30/6,607.85 = 1,631.93/x
  3. Step 3: Cross multiply
    4,405.30x = 6,607.85 × 1,631.93
  4. Step 4: Simplify right side
    4,405.30x = 10,783,507.45
  5. Step 5: Solve for x
    x = 10,783,507.45/4,405.30
  6. Step 6: Final answer
    x = 2,447.85

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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.