Home / 8,225.58-11,351.28-4,448.74

Finding the Fourth Proportional to 8,225.58, 11,351.28 and 4,448.74

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Solution

The fourth proportional to 8,225.58, 11,351.28 and 4,448.74 is: 6,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.58 : 11,351.28 = 4,448.74 : x
  2. Step 2: Convert to fraction form
    8,225.58/11,351.28 = 4,448.74/x
  3. Step 3: Cross multiply
    8,225.58x = 11,351.28 × 4,448.74
  4. Step 4: Simplify right side
    8,225.58x = 50,498,865.01
  5. Step 5: Solve for x
    x = 50,498,865.01/8,225.58
  6. Step 6: Final answer
    x = 6,139.25

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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.