Home / 5,064.32-6,985.76-3,073.28

Finding the Fourth Proportional to 5,064.32, 6,985.76 and 3,073.28

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Solution

The fourth proportional to 5,064.32, 6,985.76 and 3,073.28 is: 4,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.32 : 6,985.76 = 3,073.28 : x
  2. Step 2: Convert to fraction form
    5,064.32/6,985.76 = 3,073.28/x
  3. Step 3: Cross multiply
    5,064.32x = 6,985.76 × 3,073.28
  4. Step 4: Simplify right side
    5,064.32x = 21,469,196.49
  5. Step 5: Solve for x
    x = 21,469,196.49/5,064.32
  6. Step 6: Final answer
    x = 4,239.30

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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.