Home / 4,989.30-6,880.14-3,310.12

Finding the Fourth Proportional to 4,989.30, 6,880.14 and 3,310.12

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Solution

The fourth proportional to 4,989.30, 6,880.14 and 3,310.12 is: 4,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.30 : 6,880.14 = 3,310.12 : x
  2. Step 2: Convert to fraction form
    4,989.30/6,880.14 = 3,310.12/x
  3. Step 3: Cross multiply
    4,989.30x = 6,880.14 × 3,310.12
  4. Step 4: Simplify right side
    4,989.30x = 22,774,089.02
  5. Step 5: Solve for x
    x = 22,774,089.02/4,989.30
  6. Step 6: Final answer
    x = 4,564.59

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1.5x scale

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.