Home / 9,289.07-12,818.74-5,255.85

Finding the Fourth Proportional to 9,289.07, 12,818.74 and 5,255.85

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Solution

The fourth proportional to 9,289.07, 12,818.74 and 5,255.85 is: 7,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.07 : 12,818.74 = 5,255.85 : x
  2. Step 2: Convert to fraction form
    9,289.07/12,818.74 = 5,255.85/x
  3. Step 3: Cross multiply
    9,289.07x = 12,818.74 × 5,255.85
  4. Step 4: Simplify right side
    9,289.07x = 67,373,348.35
  5. Step 5: Solve for x
    x = 67,373,348.35/9,289.07
  6. Step 6: Final answer
    x = 7,252.97

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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.