Home / 7,434.84-10,259.78-4,448.92

Finding the Fourth Proportional to 7,434.84, 10,259.78 and 4,448.92

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Solution

The fourth proportional to 7,434.84, 10,259.78 and 4,448.92 is: 6,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.84 : 10,259.78 = 4,448.92 : x
  2. Step 2: Convert to fraction form
    7,434.84/10,259.78 = 4,448.92/x
  3. Step 3: Cross multiply
    7,434.84x = 10,259.78 × 4,448.92
  4. Step 4: Simplify right side
    7,434.84x = 45,644,940.44
  5. Step 5: Solve for x
    x = 45,644,940.44/7,434.84
  6. Step 6: Final answer
    x = 6,139.33

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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.