Home / 5,008.32-6,911.36-2,770.20

Finding the Fourth Proportional to 5,008.32, 6,911.36 and 2,770.20

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Solution

The fourth proportional to 5,008.32, 6,911.36 and 2,770.20 is: 3,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.32 : 6,911.36 = 2,770.20 : x
  2. Step 2: Convert to fraction form
    5,008.32/6,911.36 = 2,770.20/x
  3. Step 3: Cross multiply
    5,008.32x = 6,911.36 × 2,770.20
  4. Step 4: Simplify right side
    5,008.32x = 19,145,835.62
  5. Step 5: Solve for x
    x = 19,145,835.62/5,008.32
  6. Step 6: Final answer
    x = 3,822.81

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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.