Home / 8,225.43-11,348.31-4,686.12

Finding the Fourth Proportional to 8,225.43, 11,348.31 and 4,686.12

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Solution

The fourth proportional to 8,225.43, 11,348.31 and 4,686.12 is: 6,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.43 : 11,348.31 = 4,686.12 : x
  2. Step 2: Convert to fraction form
    8,225.43/11,348.31 = 4,686.12/x
  3. Step 3: Cross multiply
    8,225.43x = 11,348.31 × 4,686.12
  4. Step 4: Simplify right side
    8,225.43x = 53,179,542.46
  5. Step 5: Solve for x
    x = 53,179,542.46/8,225.43
  6. Step 6: Final answer
    x = 6,465.26

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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.