Home / 5,137.03-7,699.15-2,670.40

Finding the Fourth Proportional to 5,137.03, 7,699.15 and 2,670.40

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Solution

The fourth proportional to 5,137.03, 7,699.15 and 2,670.40 is: 4,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.03 : 7,699.15 = 2,670.40 : x
  2. Step 2: Convert to fraction form
    5,137.03/7,699.15 = 2,670.40/x
  3. Step 3: Cross multiply
    5,137.03x = 7,699.15 × 2,670.40
  4. Step 4: Simplify right side
    5,137.03x = 20,559,758.31
  5. Step 5: Solve for x
    x = 20,559,758.31/5,137.03
  6. Step 6: Final answer
    x = 4,002.27

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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.