Home / 7,449.45-10,285.05-4,619.82

Finding the Fourth Proportional to 7,449.45, 10,285.05 and 4,619.82

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Solution

The fourth proportional to 7,449.45, 10,285.05 and 4,619.82 is: 6,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.45 : 10,285.05 = 4,619.82 : x
  2. Step 2: Convert to fraction form
    7,449.45/10,285.05 = 4,619.82/x
  3. Step 3: Cross multiply
    7,449.45x = 10,285.05 × 4,619.82
  4. Step 4: Simplify right side
    7,449.45x = 47,515,079.69
  5. Step 5: Solve for x
    x = 47,515,079.69/7,449.45
  6. Step 6: Final answer
    x = 6,378.33

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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.