Home / 8,498.51-11,727.78-4,721.66

Finding the Fourth Proportional to 8,498.51, 11,727.78 and 4,721.66

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Solution

The fourth proportional to 8,498.51, 11,727.78 and 4,721.66 is: 6,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.51 : 11,727.78 = 4,721.66 : x
  2. Step 2: Convert to fraction form
    8,498.51/11,727.78 = 4,721.66/x
  3. Step 3: Cross multiply
    8,498.51x = 11,727.78 × 4,721.66
  4. Step 4: Simplify right side
    8,498.51x = 55,374,589.71
  5. Step 5: Solve for x
    x = 55,374,589.71/8,498.51
  6. Step 6: Final answer
    x = 6,515.80

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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.