Home / 7,059.05-10,588.58-5,418.80

Finding the Fourth Proportional to 7,059.05, 10,588.58 and 5,418.80

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Solution

The fourth proportional to 7,059.05, 10,588.58 and 5,418.80 is: 8,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.05 : 10,588.58 = 5,418.80 : x
  2. Step 2: Convert to fraction form
    7,059.05/10,588.58 = 5,418.80/x
  3. Step 3: Cross multiply
    7,059.05x = 10,588.58 × 5,418.80
  4. Step 4: Simplify right side
    7,059.05x = 57,377,370.21
  5. Step 5: Solve for x
    x = 57,377,370.21/7,059.05
  6. Step 6: Final answer
    x = 8,128.20

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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.