Home / 7,509.39-11,261.25-3,345.32

Finding the Fourth Proportional to 7,509.39, 11,261.25 and 3,345.32

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Solution

The fourth proportional to 7,509.39, 11,261.25 and 3,345.32 is: 5,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.39 : 11,261.25 = 3,345.32 : x
  2. Step 2: Convert to fraction form
    7,509.39/11,261.25 = 3,345.32/x
  3. Step 3: Cross multiply
    7,509.39x = 11,261.25 × 3,345.32
  4. Step 4: Simplify right side
    7,509.39x = 37,672,428.54
  5. Step 5: Solve for x
    x = 37,672,428.54/7,509.39
  6. Step 6: Final answer
    x = 5,016.71

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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.