Home / 4,989.24-6,887.88-3,478.98

Finding the Fourth Proportional to 4,989.24, 6,887.88 and 3,478.98

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Solution

The fourth proportional to 4,989.24, 6,887.88 and 3,478.98 is: 4,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.24 : 6,887.88 = 3,478.98 : x
  2. Step 2: Convert to fraction form
    4,989.24/6,887.88 = 3,478.98/x
  3. Step 3: Cross multiply
    4,989.24x = 6,887.88 × 3,478.98
  4. Step 4: Simplify right side
    4,989.24x = 23,962,796.76
  5. Step 5: Solve for x
    x = 23,962,796.76/4,989.24
  6. Step 6: Final answer
    x = 4,802.90

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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.