Home / 5,126.67-7,682.58-2,784.69

Finding the Fourth Proportional to 5,126.67, 7,682.58 and 2,784.69

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Solution

The fourth proportional to 5,126.67, 7,682.58 and 2,784.69 is: 4,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.67 : 7,682.58 = 2,784.69 : x
  2. Step 2: Convert to fraction form
    5,126.67/7,682.58 = 2,784.69/x
  3. Step 3: Cross multiply
    5,126.67x = 7,682.58 × 2,784.69
  4. Step 4: Simplify right side
    5,126.67x = 21,393,603.70
  5. Step 5: Solve for x
    x = 21,393,603.70/5,126.67
  6. Step 6: Final answer
    x = 4,173.00

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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.