Home / 5,298.46-7,311.90-2,940.60

Finding the Fourth Proportional to 5,298.46, 7,311.90 and 2,940.60

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Solution

The fourth proportional to 5,298.46, 7,311.90 and 2,940.60 is: 4,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.46 : 7,311.90 = 2,940.60 : x
  2. Step 2: Convert to fraction form
    5,298.46/7,311.90 = 2,940.60/x
  3. Step 3: Cross multiply
    5,298.46x = 7,311.90 × 2,940.60
  4. Step 4: Simplify right side
    5,298.46x = 21,501,373.14
  5. Step 5: Solve for x
    x = 21,501,373.14/5,298.46
  6. Step 6: Final answer
    x = 4,058.04

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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.