Home / 5,530.31-8,296.69-2,020.31

Finding the Fourth Proportional to 5,530.31, 8,296.69 and 2,020.31

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Solution

The fourth proportional to 5,530.31, 8,296.69 and 2,020.31 is: 3,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.31 : 8,296.69 = 2,020.31 : x
  2. Step 2: Convert to fraction form
    5,530.31/8,296.69 = 2,020.31/x
  3. Step 3: Cross multiply
    5,530.31x = 8,296.69 × 2,020.31
  4. Step 4: Simplify right side
    5,530.31x = 16,761,879.82
  5. Step 5: Solve for x
    x = 16,761,879.82/5,530.31
  6. Step 6: Final answer
    x = 3,030.91

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1.5x scale

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.