Home / 5,125.38-7,683.41-1,837.69

Finding the Fourth Proportional to 5,125.38, 7,683.41 and 1,837.69

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Solution

The fourth proportional to 5,125.38, 7,683.41 and 1,837.69 is: 2,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.38 : 7,683.41 = 1,837.69 : x
  2. Step 2: Convert to fraction form
    5,125.38/7,683.41 = 1,837.69/x
  3. Step 3: Cross multiply
    5,125.38x = 7,683.41 × 1,837.69
  4. Step 4: Simplify right side
    5,125.38x = 14,119,700.77
  5. Step 5: Solve for x
    x = 14,119,700.77/5,125.38
  6. Step 6: Final answer
    x = 2,754.86

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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.