Home / 5,263.26-7,889.22-2,666.40

Finding the Fourth Proportional to 5,263.26, 7,889.22 and 2,666.40

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Solution

The fourth proportional to 5,263.26, 7,889.22 and 2,666.40 is: 3,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.26 : 7,889.22 = 2,666.40 : x
  2. Step 2: Convert to fraction form
    5,263.26/7,889.22 = 2,666.40/x
  3. Step 3: Cross multiply
    5,263.26x = 7,889.22 × 2,666.40
  4. Step 4: Simplify right side
    5,263.26x = 21,035,816.21
  5. Step 5: Solve for x
    x = 21,035,816.21/5,263.26
  6. Step 6: Final answer
    x = 3,996.73

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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.