Home / 7,338.57-11,007.87-5,157.06

Finding the Fourth Proportional to 7,338.57, 11,007.87 and 5,157.06

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Solution

The fourth proportional to 7,338.57, 11,007.87 and 5,157.06 is: 7,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.57 : 11,007.87 = 5,157.06 : x
  2. Step 2: Convert to fraction form
    7,338.57/11,007.87 = 5,157.06/x
  3. Step 3: Cross multiply
    7,338.57x = 11,007.87 × 5,157.06
  4. Step 4: Simplify right side
    7,338.57x = 56,768,246.06
  5. Step 5: Solve for x
    x = 56,768,246.06/7,338.57
  6. Step 6: Final answer
    x = 7,735.60

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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.