Home / 7,479.07-11,223.45-2,862.07

Finding the Fourth Proportional to 7,479.07, 11,223.45 and 2,862.07

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Solution

The fourth proportional to 7,479.07, 11,223.45 and 2,862.07 is: 4,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.07 : 11,223.45 = 2,862.07 : x
  2. Step 2: Convert to fraction form
    7,479.07/11,223.45 = 2,862.07/x
  3. Step 3: Cross multiply
    7,479.07x = 11,223.45 × 2,862.07
  4. Step 4: Simplify right side
    7,479.07x = 32,122,299.54
  5. Step 5: Solve for x
    x = 32,122,299.54/7,479.07
  6. Step 6: Final answer
    x = 4,294.96

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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.