Home / 4,910.30-7,368.60-2,720.60

Finding the Fourth Proportional to 4,910.30, 7,368.60 and 2,720.60

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Solution

The fourth proportional to 4,910.30, 7,368.60 and 2,720.60 is: 4,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.30 : 7,368.60 = 2,720.60 : x
  2. Step 2: Convert to fraction form
    4,910.30/7,368.60 = 2,720.60/x
  3. Step 3: Cross multiply
    4,910.30x = 7,368.60 × 2,720.60
  4. Step 4: Simplify right side
    4,910.30x = 20,047,013.16
  5. Step 5: Solve for x
    x = 20,047,013.16/4,910.30
  6. Step 6: Final answer
    x = 4,082.65

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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.