Home / 8,498.39-11,728.13-4,721.54

Finding the Fourth Proportional to 8,498.39, 11,728.13 and 4,721.54

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Solution

The fourth proportional to 8,498.39, 11,728.13 and 4,721.54 is: 6,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.39 : 11,728.13 = 4,721.54 : x
  2. Step 2: Convert to fraction form
    8,498.39/11,728.13 = 4,721.54/x
  3. Step 3: Cross multiply
    8,498.39x = 11,728.13 × 4,721.54
  4. Step 4: Simplify right side
    8,498.39x = 55,374,752.67
  5. Step 5: Solve for x
    x = 55,374,752.67/8,498.39
  6. Step 6: Final answer
    x = 6,515.91

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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.