Home / 7,396.56-10,207.66-4,039.68

Finding the Fourth Proportional to 7,396.56, 10,207.66 and 4,039.68

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Solution

The fourth proportional to 7,396.56, 10,207.66 and 4,039.68 is: 5,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.56 : 10,207.66 = 4,039.68 : x
  2. Step 2: Convert to fraction form
    7,396.56/10,207.66 = 4,039.68/x
  3. Step 3: Cross multiply
    7,396.56x = 10,207.66 × 4,039.68
  4. Step 4: Simplify right side
    7,396.56x = 41,235,679.95
  5. Step 5: Solve for x
    x = 41,235,679.95/7,396.56
  6. Step 6: Final answer
    x = 5,574.98

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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.