Home / 4,876.78-7,312.52-2,530.96

Finding the Fourth Proportional to 4,876.78, 7,312.52 and 2,530.96

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Solution

The fourth proportional to 4,876.78, 7,312.52 and 2,530.96 is: 3,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.78 : 7,312.52 = 2,530.96 : x
  2. Step 2: Convert to fraction form
    4,876.78/7,312.52 = 2,530.96/x
  3. Step 3: Cross multiply
    4,876.78x = 7,312.52 × 2,530.96
  4. Step 4: Simplify right side
    4,876.78x = 18,507,695.62
  5. Step 5: Solve for x
    x = 18,507,695.62/4,876.78
  6. Step 6: Final answer
    x = 3,795.06

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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.