Home / 4,887-7,325.64-2,285.28

Finding the Fourth Proportional to 4,887, 7,325.64 and 2,285.28

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Solution

The fourth proportional to 4,887, 7,325.64 and 2,285.28 is: 3,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887 : 7,325.64 = 2,285.28 : x
  2. Step 2: Convert to fraction form
    4,887/7,325.64 = 2,285.28/x
  3. Step 3: Cross multiply
    4,887x = 7,325.64 × 2,285.28
  4. Step 4: Simplify right side
    4,887x = 16,741,138.58
  5. Step 5: Solve for x
    x = 16,741,138.58/4,887
  6. Step 6: Final answer
    x = 3,425.65

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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.