Home / 7,137.18-10,701.84-2,205.45

Finding the Fourth Proportional to 7,137.18, 10,701.84 and 2,205.45

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Solution

The fourth proportional to 7,137.18, 10,701.84 and 2,205.45 is: 3,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.18 : 10,701.84 = 2,205.45 : x
  2. Step 2: Convert to fraction form
    7,137.18/10,701.84 = 2,205.45/x
  3. Step 3: Cross multiply
    7,137.18x = 10,701.84 × 2,205.45
  4. Step 4: Simplify right side
    7,137.18x = 23,602,373.03
  5. Step 5: Solve for x
    x = 23,602,373.03/7,137.18
  6. Step 6: Final answer
    x = 3,306.96

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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.