Home / 5,423.13-8,134.82-1,725.39

Finding the Fourth Proportional to 5,423.13, 8,134.82 and 1,725.39

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Solution

The fourth proportional to 5,423.13, 8,134.82 and 1,725.39 is: 2,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.13 : 8,134.82 = 1,725.39 : x
  2. Step 2: Convert to fraction form
    5,423.13/8,134.82 = 1,725.39/x
  3. Step 3: Cross multiply
    5,423.13x = 8,134.82 × 1,725.39
  4. Step 4: Simplify right side
    5,423.13x = 14,035,728.45
  5. Step 5: Solve for x
    x = 14,035,728.45/5,423.13
  6. Step 6: Final answer
    x = 2,588.12

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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.