Home / 5,423.67-8,135.91-2,303.33

Finding the Fourth Proportional to 5,423.67, 8,135.91 and 2,303.33

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Solution

The fourth proportional to 5,423.67, 8,135.91 and 2,303.33 is: 3,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.67 : 8,135.91 = 2,303.33 : x
  2. Step 2: Convert to fraction form
    5,423.67/8,135.91 = 2,303.33/x
  3. Step 3: Cross multiply
    5,423.67x = 8,135.91 × 2,303.33
  4. Step 4: Simplify right side
    5,423.67x = 18,739,644.90
  5. Step 5: Solve for x
    x = 18,739,644.90/5,423.67
  6. Step 6: Final answer
    x = 3,455.16

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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.