Home / 5,385.99-8,064.60-3,162.98

Finding the Fourth Proportional to 5,385.99, 8,064.60 and 3,162.98

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Solution

The fourth proportional to 5,385.99, 8,064.60 and 3,162.98 is: 4,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.99 : 8,064.60 = 3,162.98 : x
  2. Step 2: Convert to fraction form
    5,385.99/8,064.60 = 3,162.98/x
  3. Step 3: Cross multiply
    5,385.99x = 8,064.60 × 3,162.98
  4. Step 4: Simplify right side
    5,385.99x = 25,508,168.51
  5. Step 5: Solve for x
    x = 25,508,168.51/5,385.99
  6. Step 6: Final answer
    x = 4,736.02

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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.