Home / 7,427.51-10,247.11-4,240.99

Finding the Fourth Proportional to 7,427.51, 10,247.11 and 4,240.99

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Solution

The fourth proportional to 7,427.51, 10,247.11 and 4,240.99 is: 5,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.51 : 10,247.11 = 4,240.99 : x
  2. Step 2: Convert to fraction form
    7,427.51/10,247.11 = 4,240.99/x
  3. Step 3: Cross multiply
    7,427.51x = 10,247.11 × 4,240.99
  4. Step 4: Simplify right side
    7,427.51x = 43,457,891.04
  5. Step 5: Solve for x
    x = 43,457,891.04/7,427.51
  6. Step 6: Final answer
    x = 5,850.94

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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.