Home / 5,031.90-6,944.34-2,907.82

Finding the Fourth Proportional to 5,031.90, 6,944.34 and 2,907.82

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Solution

The fourth proportional to 5,031.90, 6,944.34 and 2,907.82 is: 4,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.90 : 6,944.34 = 2,907.82 : x
  2. Step 2: Convert to fraction form
    5,031.90/6,944.34 = 2,907.82/x
  3. Step 3: Cross multiply
    5,031.90x = 6,944.34 × 2,907.82
  4. Step 4: Simplify right side
    5,031.90x = 20,192,890.74
  5. Step 5: Solve for x
    x = 20,192,890.74/5,031.90
  6. Step 6: Final answer
    x = 4,012.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.