Home / 5,157.40-7,725.30-4,056.52

Finding the Fourth Proportional to 5,157.40, 7,725.30 and 4,056.52

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Solution

The fourth proportional to 5,157.40, 7,725.30 and 4,056.52 is: 6,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.40 : 7,725.30 = 4,056.52 : x
  2. Step 2: Convert to fraction form
    5,157.40/7,725.30 = 4,056.52/x
  3. Step 3: Cross multiply
    5,157.40x = 7,725.30 × 4,056.52
  4. Step 4: Simplify right side
    5,157.40x = 31,337,833.96
  5. Step 5: Solve for x
    x = 31,337,833.96/5,157.40
  6. Step 6: Final answer
    x = 6,076.29

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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.