Home / 4,751.23-7,126.85-1,288.39

Finding the Fourth Proportional to 4,751.23, 7,126.85 and 1,288.39

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Solution

The fourth proportional to 4,751.23, 7,126.85 and 1,288.39 is: 1,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.23 : 7,126.85 = 1,288.39 : x
  2. Step 2: Convert to fraction form
    4,751.23/7,126.85 = 1,288.39/x
  3. Step 3: Cross multiply
    4,751.23x = 7,126.85 × 1,288.39
  4. Step 4: Simplify right side
    4,751.23x = 9,182,155.83
  5. Step 5: Solve for x
    x = 9,182,155.83/4,751.23
  6. Step 6: Final answer
    x = 1,932.59

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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.