Home / 8,278.84-11,422.00-4,693.41

Finding the Fourth Proportional to 8,278.84, 11,422.00 and 4,693.41

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Solution

The fourth proportional to 8,278.84, 11,422.00 and 4,693.41 is: 6,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.84 : 11,422.00 = 4,693.41 : x
  2. Step 2: Convert to fraction form
    8,278.84/11,422.00 = 4,693.41/x
  3. Step 3: Cross multiply
    8,278.84x = 11,422.00 × 4,693.41
  4. Step 4: Simplify right side
    8,278.84x = 53,608,134.89
  5. Step 5: Solve for x
    x = 53,608,134.89/8,278.84
  6. Step 6: Final answer
    x = 6,475.32

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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.