Home / 4,905.12-7,349.59-2,826.87

Finding the Fourth Proportional to 4,905.12, 7,349.59 and 2,826.87

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Solution

The fourth proportional to 4,905.12, 7,349.59 and 2,826.87 is: 4,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.12 : 7,349.59 = 2,826.87 : x
  2. Step 2: Convert to fraction form
    4,905.12/7,349.59 = 2,826.87/x
  3. Step 3: Cross multiply
    4,905.12x = 7,349.59 × 2,826.87
  4. Step 4: Simplify right side
    4,905.12x = 20,776,302.97
  5. Step 5: Solve for x
    x = 20,776,302.97/4,905.12
  6. Step 6: Final answer
    x = 4,235.64

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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.