Home / 5,157.30-7,116.63-3,032.90

Finding the Fourth Proportional to 5,157.30, 7,116.63 and 3,032.90

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Solution

The fourth proportional to 5,157.30, 7,116.63 and 3,032.90 is: 4,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.30 : 7,116.63 = 3,032.90 : x
  2. Step 2: Convert to fraction form
    5,157.30/7,116.63 = 3,032.90/x
  3. Step 3: Cross multiply
    5,157.30x = 7,116.63 × 3,032.90
  4. Step 4: Simplify right side
    5,157.30x = 21,584,027.13
  5. Step 5: Solve for x
    x = 21,584,027.13/5,157.30
  6. Step 6: Final answer
    x = 4,185.14

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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.