Home / 5,616.34-8,420.91-2,331.70

Finding the Fourth Proportional to 5,616.34, 8,420.91 and 2,331.70

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Solution

The fourth proportional to 5,616.34, 8,420.91 and 2,331.70 is: 3,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.34 : 8,420.91 = 2,331.70 : x
  2. Step 2: Convert to fraction form
    5,616.34/8,420.91 = 2,331.70/x
  3. Step 3: Cross multiply
    5,616.34x = 8,420.91 × 2,331.70
  4. Step 4: Simplify right side
    5,616.34x = 19,635,035.85
  5. Step 5: Solve for x
    x = 19,635,035.85/5,616.34
  6. Step 6: Final answer
    x = 3,496.06

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1.5x scale

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.