Home / 4,895.45-7,342.87-1,385.31

Finding the Fourth Proportional to 4,895.45, 7,342.87 and 1,385.31

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Solution

The fourth proportional to 4,895.45, 7,342.87 and 1,385.31 is: 2,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.45 : 7,342.87 = 1,385.31 : x
  2. Step 2: Convert to fraction form
    4,895.45/7,342.87 = 1,385.31/x
  3. Step 3: Cross multiply
    4,895.45x = 7,342.87 × 1,385.31
  4. Step 4: Simplify right side
    4,895.45x = 10,172,151.24
  5. Step 5: Solve for x
    x = 10,172,151.24/4,895.45
  6. Step 6: Final answer
    x = 2,077.88

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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.