Home / 5,905.30-8,857.95-3,307.90

Finding the Fourth Proportional to 5,905.30, 8,857.95 and 3,307.90

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Solution

The fourth proportional to 5,905.30, 8,857.95 and 3,307.90 is: 4,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.30 : 8,857.95 = 3,307.90 : x
  2. Step 2: Convert to fraction form
    5,905.30/8,857.95 = 3,307.90/x
  3. Step 3: Cross multiply
    5,905.30x = 8,857.95 × 3,307.90
  4. Step 4: Simplify right side
    5,905.30x = 29,301,212.81
  5. Step 5: Solve for x
    x = 29,301,212.81/5,905.30
  6. Step 6: Final answer
    x = 4,961.85

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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.