Home / 8,254.02-11,383.61-5,419.22

Finding the Fourth Proportional to 8,254.02, 11,383.61 and 5,419.22

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Solution

The fourth proportional to 8,254.02, 11,383.61 and 5,419.22 is: 7,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.02 : 11,383.61 = 5,419.22 : x
  2. Step 2: Convert to fraction form
    8,254.02/11,383.61 = 5,419.22/x
  3. Step 3: Cross multiply
    8,254.02x = 11,383.61 × 5,419.22
  4. Step 4: Simplify right side
    8,254.02x = 61,690,286.98
  5. Step 5: Solve for x
    x = 61,690,286.98/8,254.02
  6. Step 6: Final answer
    x = 7,473.97

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Half scale
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Double scale
Find fourth proportional to 8,255.02, 11,384.99 and 5,420.22
Similar ratio
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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.