Home / 7,739.10-10,679.94-4,202.28

Finding the Fourth Proportional to 7,739.10, 10,679.94 and 4,202.28

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Solution

The fourth proportional to 7,739.10, 10,679.94 and 4,202.28 is: 5,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.10 : 10,679.94 = 4,202.28 : x
  2. Step 2: Convert to fraction form
    7,739.10/10,679.94 = 4,202.28/x
  3. Step 3: Cross multiply
    7,739.10x = 10,679.94 × 4,202.28
  4. Step 4: Simplify right side
    7,739.10x = 44,880,098.26
  5. Step 5: Solve for x
    x = 44,880,098.26/7,739.10
  6. Step 6: Final answer
    x = 5,799.14

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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.