Home / 7,619.91-10,515.71-4,262.66

Finding the Fourth Proportional to 7,619.91, 10,515.71 and 4,262.66

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Solution

The fourth proportional to 7,619.91, 10,515.71 and 4,262.66 is: 5,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.91 : 10,515.71 = 4,262.66 : x
  2. Step 2: Convert to fraction form
    7,619.91/10,515.71 = 4,262.66/x
  3. Step 3: Cross multiply
    7,619.91x = 10,515.71 × 4,262.66
  4. Step 4: Simplify right side
    7,619.91x = 44,824,822.50
  5. Step 5: Solve for x
    x = 44,824,822.50/7,619.91
  6. Step 6: Final answer
    x = 5,882.59

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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.