Home / 5,388.60-8,065.36-3,012.76

Finding the Fourth Proportional to 5,388.60, 8,065.36 and 3,012.76

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Solution

The fourth proportional to 5,388.60, 8,065.36 and 3,012.76 is: 4,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.60 : 8,065.36 = 3,012.76 : x
  2. Step 2: Convert to fraction form
    5,388.60/8,065.36 = 3,012.76/x
  3. Step 3: Cross multiply
    5,388.60x = 8,065.36 × 3,012.76
  4. Step 4: Simplify right side
    5,388.60x = 24,298,993.99
  5. Step 5: Solve for x
    x = 24,298,993.99/5,388.60
  6. Step 6: Final answer
    x = 4,509.33

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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.