Home / 5,661.60-8,492.40-3,880.91

Finding the Fourth Proportional to 5,661.60, 8,492.40 and 3,880.91

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Solution

The fourth proportional to 5,661.60, 8,492.40 and 3,880.91 is: 5,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.60 : 8,492.40 = 3,880.91 : x
  2. Step 2: Convert to fraction form
    5,661.60/8,492.40 = 3,880.91/x
  3. Step 3: Cross multiply
    5,661.60x = 8,492.40 × 3,880.91
  4. Step 4: Simplify right side
    5,661.60x = 32,958,197.62
  5. Step 5: Solve for x
    x = 32,958,197.62/5,661.60
  6. Step 6: Final answer
    x = 5,821.36

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Similar ratio
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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.