Home / 7,426.51-10,245.74-4,239.99

Finding the Fourth Proportional to 7,426.51, 10,245.74 and 4,239.99

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Solution

The fourth proportional to 7,426.51, 10,245.74 and 4,239.99 is: 5,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.51 : 10,245.74 = 4,239.99 : x
  2. Step 2: Convert to fraction form
    7,426.51/10,245.74 = 4,239.99/x
  3. Step 3: Cross multiply
    7,426.51x = 10,245.74 × 4,239.99
  4. Step 4: Simplify right side
    7,426.51x = 43,441,813.94
  5. Step 5: Solve for x
    x = 43,441,813.94/7,426.51
  6. Step 6: Final answer
    x = 5,849.56

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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.