Home / 7,137.18-10,709.56-2,697.87

Finding the Fourth Proportional to 7,137.18, 10,709.56 and 2,697.87

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Solution

The fourth proportional to 7,137.18, 10,709.56 and 2,697.87 is: 4,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.18 : 10,709.56 = 2,697.87 : x
  2. Step 2: Convert to fraction form
    7,137.18/10,709.56 = 2,697.87/x
  3. Step 3: Cross multiply
    7,137.18x = 10,709.56 × 2,697.87
  4. Step 4: Simplify right side
    7,137.18x = 28,893,000.64
  5. Step 5: Solve for x
    x = 28,893,000.64/7,137.18
  6. Step 6: Final answer
    x = 4,048.24

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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.