Home / 5,591.90-8,379.98-4,416.74

Finding the Fourth Proportional to 5,591.90, 8,379.98 and 4,416.74

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Solution

The fourth proportional to 5,591.90, 8,379.98 and 4,416.74 is: 6,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.90 : 8,379.98 = 4,416.74 : x
  2. Step 2: Convert to fraction form
    5,591.90/8,379.98 = 4,416.74/x
  3. Step 3: Cross multiply
    5,591.90x = 8,379.98 × 4,416.74
  4. Step 4: Simplify right side
    5,591.90x = 37,012,170.78
  5. Step 5: Solve for x
    x = 37,012,170.78/5,591.90
  6. Step 6: Final answer
    x = 6,618.90

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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.