Home / 7,789.98-10,749.74-4,433.61

Finding the Fourth Proportional to 7,789.98, 10,749.74 and 4,433.61

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Solution

The fourth proportional to 7,789.98, 10,749.74 and 4,433.61 is: 6,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.98 : 10,749.74 = 4,433.61 : x
  2. Step 2: Convert to fraction form
    7,789.98/10,749.74 = 4,433.61/x
  3. Step 3: Cross multiply
    7,789.98x = 10,749.74 × 4,433.61
  4. Step 4: Simplify right side
    7,789.98x = 47,660,132.59
  5. Step 5: Solve for x
    x = 47,660,132.59/7,789.98
  6. Step 6: Final answer
    x = 6,118.13

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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.