Home / 5,113.88-7,656.52-4,171.16

Finding the Fourth Proportional to 5,113.88, 7,656.52 and 4,171.16

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Solution

The fourth proportional to 5,113.88, 7,656.52 and 4,171.16 is: 6,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.88 : 7,656.52 = 4,171.16 : x
  2. Step 2: Convert to fraction form
    5,113.88/7,656.52 = 4,171.16/x
  3. Step 3: Cross multiply
    5,113.88x = 7,656.52 × 4,171.16
  4. Step 4: Simplify right side
    5,113.88x = 31,936,569.96
  5. Step 5: Solve for x
    x = 31,936,569.96/5,113.88
  6. Step 6: Final answer
    x = 6,245.08

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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.