Home / 4,437.72-6,126.90-2,761.40

Finding the Fourth Proportional to 4,437.72, 6,126.90 and 2,761.40

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Solution

The fourth proportional to 4,437.72, 6,126.90 and 2,761.40 is: 3,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.72 : 6,126.90 = 2,761.40 : x
  2. Step 2: Convert to fraction form
    4,437.72/6,126.90 = 2,761.40/x
  3. Step 3: Cross multiply
    4,437.72x = 6,126.90 × 2,761.40
  4. Step 4: Simplify right side
    4,437.72x = 16,918,821.66
  5. Step 5: Solve for x
    x = 16,918,821.66/4,437.72
  6. Step 6: Final answer
    x = 3,812.50

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1.5x scale

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.