Home / 8,054.64-11,118.06-4,911.03

Finding the Fourth Proportional to 8,054.64, 11,118.06 and 4,911.03

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Solution

The fourth proportional to 8,054.64, 11,118.06 and 4,911.03 is: 6,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.64 : 11,118.06 = 4,911.03 : x
  2. Step 2: Convert to fraction form
    8,054.64/11,118.06 = 4,911.03/x
  3. Step 3: Cross multiply
    8,054.64x = 11,118.06 × 4,911.03
  4. Step 4: Simplify right side
    8,054.64x = 54,601,126.20
  5. Step 5: Solve for x
    x = 54,601,126.20/8,054.64
  6. Step 6: Final answer
    x = 6,778.84

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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.