Home / 4,156.72-6,235.28-3,985.00

Finding the Fourth Proportional to 4,156.72, 6,235.28 and 3,985.00

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Solution

The fourth proportional to 4,156.72, 6,235.28 and 3,985.00 is: 5,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.72 : 6,235.28 = 3,985.00 : x
  2. Step 2: Convert to fraction form
    4,156.72/6,235.28 = 3,985.00/x
  3. Step 3: Cross multiply
    4,156.72x = 6,235.28 × 3,985.00
  4. Step 4: Simplify right side
    4,156.72x = 24,847,570.23
  5. Step 5: Solve for x
    x = 24,847,570.23/4,156.72
  6. Step 6: Final answer
    x = 5,977.69

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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.