Home / 5,423.04-8,133.80-1,725.29

Finding the Fourth Proportional to 5,423.04, 8,133.80 and 1,725.29

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Solution

The fourth proportional to 5,423.04, 8,133.80 and 1,725.29 is: 2,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.04 : 8,133.80 = 1,725.29 : x
  2. Step 2: Convert to fraction form
    5,423.04/8,133.80 = 1,725.29/x
  3. Step 3: Cross multiply
    5,423.04x = 8,133.80 × 1,725.29
  4. Step 4: Simplify right side
    5,423.04x = 14,033,163.80
  5. Step 5: Solve for x
    x = 14,033,163.80/5,423.04
  6. Step 6: Final answer
    x = 2,587.69

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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.