Home / 7,358.20-11,039.56-5,142.26

Finding the Fourth Proportional to 7,358.20, 11,039.56 and 5,142.26

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Solution

The fourth proportional to 7,358.20, 11,039.56 and 5,142.26 is: 7,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.20 : 11,039.56 = 5,142.26 : x
  2. Step 2: Convert to fraction form
    7,358.20/11,039.56 = 5,142.26/x
  3. Step 3: Cross multiply
    7,358.20x = 11,039.56 × 5,142.26
  4. Step 4: Simplify right side
    7,358.20x = 56,768,287.81
  5. Step 5: Solve for x
    x = 56,768,287.81/7,358.20
  6. Step 6: Final answer
    x = 7,714.97

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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.