Home / 5,657.63-8,490.09-2,194.88

Finding the Fourth Proportional to 5,657.63, 8,490.09 and 2,194.88

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Solution

The fourth proportional to 5,657.63, 8,490.09 and 2,194.88 is: 3,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.63 : 8,490.09 = 2,194.88 : x
  2. Step 2: Convert to fraction form
    5,657.63/8,490.09 = 2,194.88/x
  3. Step 3: Cross multiply
    5,657.63x = 8,490.09 × 2,194.88
  4. Step 4: Simplify right side
    5,657.63x = 18,634,728.74
  5. Step 5: Solve for x
    x = 18,634,728.74/5,657.63
  6. Step 6: Final answer
    x = 3,293.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.