Home / 5,101.20-7,651.59-1,403.16

Finding the Fourth Proportional to 5,101.20, 7,651.59 and 1,403.16

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Solution

The fourth proportional to 5,101.20, 7,651.59 and 1,403.16 is: 2,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.20 : 7,651.59 = 1,403.16 : x
  2. Step 2: Convert to fraction form
    5,101.20/7,651.59 = 1,403.16/x
  3. Step 3: Cross multiply
    5,101.20x = 7,651.59 × 1,403.16
  4. Step 4: Simplify right side
    5,101.20x = 10,736,405.02
  5. Step 5: Solve for x
    x = 10,736,405.02/5,101.20
  6. Step 6: Final answer
    x = 2,104.68

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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.