Home / 8,288.31-11,437.68-4,511.49

Finding the Fourth Proportional to 8,288.31, 11,437.68 and 4,511.49

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Solution

The fourth proportional to 8,288.31, 11,437.68 and 4,511.49 is: 6,225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.31 : 11,437.68 = 4,511.49 : x
  2. Step 2: Convert to fraction form
    8,288.31/11,437.68 = 4,511.49/x
  3. Step 3: Cross multiply
    8,288.31x = 11,437.68 × 4,511.49
  4. Step 4: Simplify right side
    8,288.31x = 51,600,978.94
  5. Step 5: Solve for x
    x = 51,600,978.94/8,288.31
  6. Step 6: Final answer
    x = 6,225.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.