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Finding the Fourth Proportional to 5,328.66, 7,997.26 and 2,407.22

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Solution

The fourth proportional to 5,328.66, 7,997.26 and 2,407.22 is: 3,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.66 : 7,997.26 = 2,407.22 : x
  2. Step 2: Convert to fraction form
    5,328.66/7,997.26 = 2,407.22/x
  3. Step 3: Cross multiply
    5,328.66x = 7,997.26 × 2,407.22
  4. Step 4: Simplify right side
    5,328.66x = 19,251,164.22
  5. Step 5: Solve for x
    x = 19,251,164.22/5,328.66
  6. Step 6: Final answer
    x = 3,612.76

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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.