Home / 7,519.81-10,377.36-4,162.86

Finding the Fourth Proportional to 7,519.81, 10,377.36 and 4,162.86

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Solution

The fourth proportional to 7,519.81, 10,377.36 and 4,162.86 is: 5,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.81 : 10,377.36 = 4,162.86 : x
  2. Step 2: Convert to fraction form
    7,519.81/10,377.36 = 4,162.86/x
  3. Step 3: Cross multiply
    7,519.81x = 10,377.36 × 4,162.86
  4. Step 4: Simplify right side
    7,519.81x = 43,199,496.85
  5. Step 5: Solve for x
    x = 43,199,496.85/7,519.81
  6. Step 6: Final answer
    x = 5,744.76

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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.