Home / 5,605.20-7,735.14-3,087.18

Finding the Fourth Proportional to 5,605.20, 7,735.14 and 3,087.18

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Solution

The fourth proportional to 5,605.20, 7,735.14 and 3,087.18 is: 4,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.20 : 7,735.14 = 3,087.18 : x
  2. Step 2: Convert to fraction form
    5,605.20/7,735.14 = 3,087.18/x
  3. Step 3: Cross multiply
    5,605.20x = 7,735.14 × 3,087.18
  4. Step 4: Simplify right side
    5,605.20x = 23,879,769.51
  5. Step 5: Solve for x
    x = 23,879,769.51/5,605.20
  6. Step 6: Final answer
    x = 4,260.29

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1.5x scale

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.