Home / 7,427.06-10,249.46-4,069.81

Finding the Fourth Proportional to 7,427.06, 10,249.46 and 4,069.81

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Solution

The fourth proportional to 7,427.06, 10,249.46 and 4,069.81 is: 5,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.06 : 10,249.46 = 4,069.81 : x
  2. Step 2: Convert to fraction form
    7,427.06/10,249.46 = 4,069.81/x
  3. Step 3: Cross multiply
    7,427.06x = 10,249.46 × 4,069.81
  4. Step 4: Simplify right side
    7,427.06x = 41,713,334.45
  5. Step 5: Solve for x
    x = 41,713,334.45/7,427.06
  6. Step 6: Final answer
    x = 5,616.40

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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.