Home / 8,188.64-12,278.40-5,594.72

Finding the Fourth Proportional to 8,188.64, 12,278.40 and 5,594.72

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Solution

The fourth proportional to 8,188.64, 12,278.40 and 5,594.72 is: 8,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.64 : 12,278.40 = 5,594.72 : x
  2. Step 2: Convert to fraction form
    8,188.64/12,278.40 = 5,594.72/x
  3. Step 3: Cross multiply
    8,188.64x = 12,278.40 × 5,594.72
  4. Step 4: Simplify right side
    8,188.64x = 68,694,210.05
  5. Step 5: Solve for x
    x = 68,694,210.05/8,188.64
  6. Step 6: Final answer
    x = 8,388.96

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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.