Home / 8,261.51-11,397.62-4,722.81

Finding the Fourth Proportional to 8,261.51, 11,397.62 and 4,722.81

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Solution

The fourth proportional to 8,261.51, 11,397.62 and 4,722.81 is: 6,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.51 : 11,397.62 = 4,722.81 : x
  2. Step 2: Convert to fraction form
    8,261.51/11,397.62 = 4,722.81/x
  3. Step 3: Cross multiply
    8,261.51x = 11,397.62 × 4,722.81
  4. Step 4: Simplify right side
    8,261.51x = 53,828,770.10
  5. Step 5: Solve for x
    x = 53,828,770.10/8,261.51
  6. Step 6: Final answer
    x = 6,515.61

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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.