Home / 5,259.11-7,889.39-1,926.93

Finding the Fourth Proportional to 5,259.11, 7,889.39 and 1,926.93

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Solution

The fourth proportional to 5,259.11, 7,889.39 and 1,926.93 is: 2,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.11 : 7,889.39 = 1,926.93 : x
  2. Step 2: Convert to fraction form
    5,259.11/7,889.39 = 1,926.93/x
  3. Step 3: Cross multiply
    5,259.11x = 7,889.39 × 1,926.93
  4. Step 4: Simplify right side
    5,259.11x = 15,202,292.64
  5. Step 5: Solve for x
    x = 15,202,292.64/5,259.11
  6. Step 6: Final answer
    x = 2,890.66

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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.