Home / 7,345.84-11,022.68-3,450.28

Finding the Fourth Proportional to 7,345.84, 11,022.68 and 3,450.28

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Solution

The fourth proportional to 7,345.84, 11,022.68 and 3,450.28 is: 5,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.84 : 11,022.68 = 3,450.28 : x
  2. Step 2: Convert to fraction form
    7,345.84/11,022.68 = 3,450.28/x
  3. Step 3: Cross multiply
    7,345.84x = 11,022.68 × 3,450.28
  4. Step 4: Simplify right side
    7,345.84x = 38,031,332.35
  5. Step 5: Solve for x
    x = 38,031,332.35/7,345.84
  6. Step 6: Final answer
    x = 5,177.26

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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.