Home / 5,434.19-8,145.76-3,089.35

Finding the Fourth Proportional to 5,434.19, 8,145.76 and 3,089.35

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Solution

The fourth proportional to 5,434.19, 8,145.76 and 3,089.35 is: 4,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.19 : 8,145.76 = 3,089.35 : x
  2. Step 2: Convert to fraction form
    5,434.19/8,145.76 = 3,089.35/x
  3. Step 3: Cross multiply
    5,434.19x = 8,145.76 × 3,089.35
  4. Step 4: Simplify right side
    5,434.19x = 25,165,070.65
  5. Step 5: Solve for x
    x = 25,165,070.65/5,434.19
  6. Step 6: Final answer
    x = 4,630.88

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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.