Home / 7,212.16-10,817.60-2,017.92

Finding the Fourth Proportional to 7,212.16, 10,817.60 and 2,017.92

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Solution

The fourth proportional to 7,212.16, 10,817.60 and 2,017.92 is: 3,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.16 : 10,817.60 = 2,017.92 : x
  2. Step 2: Convert to fraction form
    7,212.16/10,817.60 = 2,017.92/x
  3. Step 3: Cross multiply
    7,212.16x = 10,817.60 × 2,017.92
  4. Step 4: Simplify right side
    7,212.16x = 21,829,051.39
  5. Step 5: Solve for x
    x = 21,829,051.39/7,212.16
  6. Step 6: Final answer
    x = 3,026.70

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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.