Home / 4,985.37-7,478.34-2,517.30

Finding the Fourth Proportional to 4,985.37, 7,478.34 and 2,517.30

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Solution

The fourth proportional to 4,985.37, 7,478.34 and 2,517.30 is: 3,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.37 : 7,478.34 = 2,517.30 : x
  2. Step 2: Convert to fraction form
    4,985.37/7,478.34 = 2,517.30/x
  3. Step 3: Cross multiply
    4,985.37x = 7,478.34 × 2,517.30
  4. Step 4: Simplify right side
    4,985.37x = 18,825,225.28
  5. Step 5: Solve for x
    x = 18,825,225.28/4,985.37
  6. Step 6: Final answer
    x = 3,776.09

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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.