Home / 5,423.61-8,119.91-5,079.16

Finding the Fourth Proportional to 5,423.61, 8,119.91 and 5,079.16

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Solution

The fourth proportional to 5,423.61, 8,119.91 and 5,079.16 is: 7,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.61 : 8,119.91 = 5,079.16 : x
  2. Step 2: Convert to fraction form
    5,423.61/8,119.91 = 5,079.16/x
  3. Step 3: Cross multiply
    5,423.61x = 8,119.91 × 5,079.16
  4. Step 4: Simplify right side
    5,423.61x = 41,242,281.48
  5. Step 5: Solve for x
    x = 41,242,281.48/5,423.61
  6. Step 6: Final answer
    x = 7,604.22

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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.