Home / 8,218.50-11,342.68-4,682.04

Finding the Fourth Proportional to 8,218.50, 11,342.68 and 4,682.04

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Solution

The fourth proportional to 8,218.50, 11,342.68 and 4,682.04 is: 6,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.50 : 11,342.68 = 4,682.04 : x
  2. Step 2: Convert to fraction form
    8,218.50/11,342.68 = 4,682.04/x
  3. Step 3: Cross multiply
    8,218.50x = 11,342.68 × 4,682.04
  4. Step 4: Simplify right side
    8,218.50x = 53,106,881.47
  5. Step 5: Solve for x
    x = 53,106,881.47/8,218.50
  6. Step 6: Final answer
    x = 6,461.87

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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.