Home / 7,619.33-10,515.08-4,262.22

Finding the Fourth Proportional to 7,619.33, 10,515.08 and 4,262.22

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Solution

The fourth proportional to 7,619.33, 10,515.08 and 4,262.22 is: 5,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.33 : 10,515.08 = 4,262.22 : x
  2. Step 2: Convert to fraction form
    7,619.33/10,515.08 = 4,262.22/x
  3. Step 3: Cross multiply
    7,619.33x = 10,515.08 × 4,262.22
  4. Step 4: Simplify right side
    7,619.33x = 44,817,594.93
  5. Step 5: Solve for x
    x = 44,817,594.93/7,619.33
  6. Step 6: Final answer
    x = 5,882.09

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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.