Home / 4,960.20-7,440.30-4,158.30

Finding the Fourth Proportional to 4,960.20, 7,440.30 and 4,158.30

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Solution

The fourth proportional to 4,960.20, 7,440.30 and 4,158.30 is: 6,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.20 : 7,440.30 = 4,158.30 : x
  2. Step 2: Convert to fraction form
    4,960.20/7,440.30 = 4,158.30/x
  3. Step 3: Cross multiply
    4,960.20x = 7,440.30 × 4,158.30
  4. Step 4: Simplify right side
    4,960.20x = 30,938,999.49
  5. Step 5: Solve for x
    x = 30,938,999.49/4,960.20
  6. Step 6: Final answer
    x = 6,237.45

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1.5x scale

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.