Home / 8,221.23-12,332.51-3,541.36

Finding the Fourth Proportional to 8,221.23, 12,332.51 and 3,541.36

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Solution

The fourth proportional to 8,221.23, 12,332.51 and 3,541.36 is: 5,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.23 : 12,332.51 = 3,541.36 : x
  2. Step 2: Convert to fraction form
    8,221.23/12,332.51 = 3,541.36/x
  3. Step 3: Cross multiply
    8,221.23x = 12,332.51 × 3,541.36
  4. Step 4: Simplify right side
    8,221.23x = 43,673,857.61
  5. Step 5: Solve for x
    x = 43,673,857.61/8,221.23
  6. Step 6: Final answer
    x = 5,312.33

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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.