Home / 5,190.30-7,785.23-2,416.02

Finding the Fourth Proportional to 5,190.30, 7,785.23 and 2,416.02

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Solution

The fourth proportional to 5,190.30, 7,785.23 and 2,416.02 is: 3,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.30 : 7,785.23 = 2,416.02 : x
  2. Step 2: Convert to fraction form
    5,190.30/7,785.23 = 2,416.02/x
  3. Step 3: Cross multiply
    5,190.30x = 7,785.23 × 2,416.02
  4. Step 4: Simplify right side
    5,190.30x = 18,809,271.38
  5. Step 5: Solve for x
    x = 18,809,271.38/5,190.30
  6. Step 6: Final answer
    x = 3,623.93

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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.