Home / 5,225.96-7,837.68-1,939.52

Finding the Fourth Proportional to 5,225.96, 7,837.68 and 1,939.52

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Solution

The fourth proportional to 5,225.96, 7,837.68 and 1,939.52 is: 2,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.96 : 7,837.68 = 1,939.52 : x
  2. Step 2: Convert to fraction form
    5,225.96/7,837.68 = 1,939.52/x
  3. Step 3: Cross multiply
    5,225.96x = 7,837.68 × 1,939.52
  4. Step 4: Simplify right side
    5,225.96x = 15,201,337.11
  5. Step 5: Solve for x
    x = 15,201,337.11/5,225.96
  6. Step 6: Final answer
    x = 2,908.81

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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.