Home / 7,345.75-11,011.34-3,443.17

Finding the Fourth Proportional to 7,345.75, 11,011.34 and 3,443.17

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Solution

The fourth proportional to 7,345.75, 11,011.34 and 3,443.17 is: 5,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.75 : 11,011.34 = 3,443.17 : x
  2. Step 2: Convert to fraction form
    7,345.75/11,011.34 = 3,443.17/x
  3. Step 3: Cross multiply
    7,345.75x = 11,011.34 × 3,443.17
  4. Step 4: Simplify right side
    7,345.75x = 37,913,898.33
  5. Step 5: Solve for x
    x = 37,913,898.33/7,345.75
  6. Step 6: Final answer
    x = 5,161.34

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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.