Home / 5,126.42-7,684.76-1,837.82

Finding the Fourth Proportional to 5,126.42, 7,684.76 and 1,837.82

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Solution

The fourth proportional to 5,126.42, 7,684.76 and 1,837.82 is: 2,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.42 : 7,684.76 = 1,837.82 : x
  2. Step 2: Convert to fraction form
    5,126.42/7,684.76 = 1,837.82/x
  3. Step 3: Cross multiply
    5,126.42x = 7,684.76 × 1,837.82
  4. Step 4: Simplify right side
    5,126.42x = 14,123,158.01
  5. Step 5: Solve for x
    x = 14,123,158.01/5,126.42
  6. Step 6: Final answer
    x = 2,754.98

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1.5x scale

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.