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Finding the Fourth Proportional to 8,054.66, 11,115.05 and 4,420.50

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Solution

The fourth proportional to 8,054.66, 11,115.05 and 4,420.50 is: 6,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.66 : 11,115.05 = 4,420.50 : x
  2. Step 2: Convert to fraction form
    8,054.66/11,115.05 = 4,420.50/x
  3. Step 3: Cross multiply
    8,054.66x = 11,115.05 × 4,420.50
  4. Step 4: Simplify right side
    8,054.66x = 49,134,056.42
  5. Step 5: Solve for x
    x = 49,134,056.42/8,054.66
  6. Step 6: Final answer
    x = 6,100.08

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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.