Home / 5,808.70-8,016.08-3,156.15

Finding the Fourth Proportional to 5,808.70, 8,016.08 and 3,156.15

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Solution

The fourth proportional to 5,808.70, 8,016.08 and 3,156.15 is: 4,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.70 : 8,016.08 = 3,156.15 : x
  2. Step 2: Convert to fraction form
    5,808.70/8,016.08 = 3,156.15/x
  3. Step 3: Cross multiply
    5,808.70x = 8,016.08 × 3,156.15
  4. Step 4: Simplify right side
    5,808.70x = 25,299,982.92
  5. Step 5: Solve for x
    x = 25,299,982.92/5,808.70
  6. Step 6: Final answer
    x = 4,355.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.