Home / 8,218.56-11,341.42-4,681.55

Finding the Fourth Proportional to 8,218.56, 11,341.42 and 4,681.55

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Solution

The fourth proportional to 8,218.56, 11,341.42 and 4,681.55 is: 6,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.56 : 11,341.42 = 4,681.55 : x
  2. Step 2: Convert to fraction form
    8,218.56/11,341.42 = 4,681.55/x
  3. Step 3: Cross multiply
    8,218.56x = 11,341.42 × 4,681.55
  4. Step 4: Simplify right side
    8,218.56x = 53,095,377.66
  5. Step 5: Solve for x
    x = 53,095,377.66/8,218.56
  6. Step 6: Final answer
    x = 6,460.42

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Half scale
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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.