Home / 7,345.26-10,156.41-7,226.57

Finding the Fourth Proportional to 7,345.26, 10,156.41 and 7,226.57

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Solution

The fourth proportional to 7,345.26, 10,156.41 and 7,226.57 is: 9,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.26 : 10,156.41 = 7,226.57 : x
  2. Step 2: Convert to fraction form
    7,345.26/10,156.41 = 7,226.57/x
  3. Step 3: Cross multiply
    7,345.26x = 10,156.41 × 7,226.57
  4. Step 4: Simplify right side
    7,345.26x = 73,396,007.81
  5. Step 5: Solve for x
    x = 73,396,007.81/7,345.26
  6. Step 6: Final answer
    x = 9,992.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.