Home / 7,519.59-10,376.86-4,162.20

Finding the Fourth Proportional to 7,519.59, 10,376.86 and 4,162.20

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Solution

The fourth proportional to 7,519.59, 10,376.86 and 4,162.20 is: 5,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.59 : 10,376.86 = 4,162.20 : x
  2. Step 2: Convert to fraction form
    7,519.59/10,376.86 = 4,162.20/x
  3. Step 3: Cross multiply
    7,519.59x = 10,376.86 × 4,162.20
  4. Step 4: Simplify right side
    7,519.59x = 43,190,566.69
  5. Step 5: Solve for x
    x = 43,190,566.69/7,519.59
  6. Step 6: Final answer
    x = 5,743.74

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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.