Home / 5,488.16-8,232.92-1,789.40

Finding the Fourth Proportional to 5,488.16, 8,232.92 and 1,789.40

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Solution

The fourth proportional to 5,488.16, 8,232.92 and 1,789.40 is: 2,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.16 : 8,232.92 = 1,789.40 : x
  2. Step 2: Convert to fraction form
    5,488.16/8,232.92 = 1,789.40/x
  3. Step 3: Cross multiply
    5,488.16x = 8,232.92 × 1,789.40
  4. Step 4: Simplify right side
    5,488.16x = 14,731,978.10
  5. Step 5: Solve for x
    x = 14,731,978.10/5,488.16
  6. Step 6: Final answer
    x = 2,684.32

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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.