Home / 7,383.30-11,061.45-3,479.10

Finding the Fourth Proportional to 7,383.30, 11,061.45 and 3,479.10

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Solution

The fourth proportional to 7,383.30, 11,061.45 and 3,479.10 is: 5,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.30 : 11,061.45 = 3,479.10 : x
  2. Step 2: Convert to fraction form
    7,383.30/11,061.45 = 3,479.10/x
  3. Step 3: Cross multiply
    7,383.30x = 11,061.45 × 3,479.10
  4. Step 4: Simplify right side
    7,383.30x = 38,483,890.70
  5. Step 5: Solve for x
    x = 38,483,890.70/7,383.30
  6. Step 6: Final answer
    x = 5,212.29

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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.