Home / 7,666.68-11,475.40-5,163.26

Finding the Fourth Proportional to 7,666.68, 11,475.40 and 5,163.26

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Solution

The fourth proportional to 7,666.68, 11,475.40 and 5,163.26 is: 7,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.68 : 11,475.40 = 5,163.26 : x
  2. Step 2: Convert to fraction form
    7,666.68/11,475.40 = 5,163.26/x
  3. Step 3: Cross multiply
    7,666.68x = 11,475.40 × 5,163.26
  4. Step 4: Simplify right side
    7,666.68x = 59,250,403.52
  5. Step 5: Solve for x
    x = 59,250,403.52/7,666.68
  6. Step 6: Final answer
    x = 7,728.30

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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.