Home / 8,213.95-11,335.44-4,677.31

Finding the Fourth Proportional to 8,213.95, 11,335.44 and 4,677.31

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Solution

The fourth proportional to 8,213.95, 11,335.44 and 4,677.31 is: 6,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.95 : 11,335.44 = 4,677.31 : x
  2. Step 2: Convert to fraction form
    8,213.95/11,335.44 = 4,677.31/x
  3. Step 3: Cross multiply
    8,213.95x = 11,335.44 × 4,677.31
  4. Step 4: Simplify right side
    8,213.95x = 53,019,366.87
  5. Step 5: Solve for x
    x = 53,019,366.87/8,213.95
  6. Step 6: Final answer
    x = 6,454.80

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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.