Home / 5,120.44-7,035.58-4,070.68

Finding the Fourth Proportional to 5,120.44, 7,035.58 and 4,070.68

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Solution

The fourth proportional to 5,120.44, 7,035.58 and 4,070.68 is: 5,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.44 : 7,035.58 = 4,070.68 : x
  2. Step 2: Convert to fraction form
    5,120.44/7,035.58 = 4,070.68/x
  3. Step 3: Cross multiply
    5,120.44x = 7,035.58 × 4,070.68
  4. Step 4: Simplify right side
    5,120.44x = 28,639,594.79
  5. Step 5: Solve for x
    x = 28,639,594.79/5,120.44
  6. Step 6: Final answer
    x = 5,593.19

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.