Home / 8,218.83-11,342.52-4,681.56

Finding the Fourth Proportional to 8,218.83, 11,342.52 and 4,681.56

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Solution

The fourth proportional to 8,218.83, 11,342.52 and 4,681.56 is: 6,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.83 : 11,342.52 = 4,681.56 : x
  2. Step 2: Convert to fraction form
    8,218.83/11,342.52 = 4,681.56/x
  3. Step 3: Cross multiply
    8,218.83x = 11,342.52 × 4,681.56
  4. Step 4: Simplify right side
    8,218.83x = 53,100,687.93
  5. Step 5: Solve for x
    x = 53,100,687.93/8,218.83
  6. Step 6: Final answer
    x = 6,460.86

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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.