Home / 8,742.09-13,121.10-4,584.90

Finding the Fourth Proportional to 8,742.09, 13,121.10 and 4,584.90

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Solution

The fourth proportional to 8,742.09, 13,121.10 and 4,584.90 is: 6,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.09 : 13,121.10 = 4,584.90 : x
  2. Step 2: Convert to fraction form
    8,742.09/13,121.10 = 4,584.90/x
  3. Step 3: Cross multiply
    8,742.09x = 13,121.10 × 4,584.90
  4. Step 4: Simplify right side
    8,742.09x = 60,158,931.39
  5. Step 5: Solve for x
    x = 60,158,931.39/8,742.09
  6. Step 6: Final answer
    x = 6,881.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.