Home / 8,235.05-11,359.26-5,402.61

Finding the Fourth Proportional to 8,235.05, 11,359.26 and 5,402.61

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Solution

The fourth proportional to 8,235.05, 11,359.26 and 5,402.61 is: 7,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.05 : 11,359.26 = 5,402.61 : x
  2. Step 2: Convert to fraction form
    8,235.05/11,359.26 = 5,402.61/x
  3. Step 3: Cross multiply
    8,235.05x = 11,359.26 × 5,402.61
  4. Step 4: Simplify right side
    8,235.05x = 61,369,651.67
  5. Step 5: Solve for x
    x = 61,369,651.67/8,235.05
  6. Step 6: Final answer
    x = 7,452.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.