Home / 7,474.11-10,314.86-4,491.15

Finding the Fourth Proportional to 7,474.11, 10,314.86 and 4,491.15

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Solution

The fourth proportional to 7,474.11, 10,314.86 and 4,491.15 is: 6,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.11 : 10,314.86 = 4,491.15 : x
  2. Step 2: Convert to fraction form
    7,474.11/10,314.86 = 4,491.15/x
  3. Step 3: Cross multiply
    7,474.11x = 10,314.86 × 4,491.15
  4. Step 4: Simplify right side
    7,474.11x = 46,325,561.03
  5. Step 5: Solve for x
    x = 46,325,561.03/7,474.11
  6. Step 6: Final answer
    x = 6,198.14

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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.