Home / 8,121.24-11,206.75-4,763.47

Finding the Fourth Proportional to 8,121.24, 11,206.75 and 4,763.47

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Solution

The fourth proportional to 8,121.24, 11,206.75 and 4,763.47 is: 6,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.24 : 11,206.75 = 4,763.47 : x
  2. Step 2: Convert to fraction form
    8,121.24/11,206.75 = 4,763.47/x
  3. Step 3: Cross multiply
    8,121.24x = 11,206.75 × 4,763.47
  4. Step 4: Simplify right side
    8,121.24x = 53,383,017.42
  5. Step 5: Solve for x
    x = 53,383,017.42/8,121.24
  6. Step 6: Final answer
    x = 6,573.26

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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.