Home / 5,661.45-8,480.91-4,423.08

Finding the Fourth Proportional to 5,661.45, 8,480.91 and 4,423.08

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Solution

The fourth proportional to 5,661.45, 8,480.91 and 4,423.08 is: 6,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.45 : 8,480.91 = 4,423.08 : x
  2. Step 2: Convert to fraction form
    5,661.45/8,480.91 = 4,423.08/x
  3. Step 3: Cross multiply
    5,661.45x = 8,480.91 × 4,423.08
  4. Step 4: Simplify right side
    5,661.45x = 37,511,743.40
  5. Step 5: Solve for x
    x = 37,511,743.40/5,661.45
  6. Step 6: Final answer
    x = 6,625.82

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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.