Home / 8,458.02-11,666.97-5,311.62

Finding the Fourth Proportional to 8,458.02, 11,666.97 and 5,311.62

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Solution

The fourth proportional to 8,458.02, 11,666.97 and 5,311.62 is: 7,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.02 : 11,666.97 = 5,311.62 : x
  2. Step 2: Convert to fraction form
    8,458.02/11,666.97 = 5,311.62/x
  3. Step 3: Cross multiply
    8,458.02x = 11,666.97 × 5,311.62
  4. Step 4: Simplify right side
    8,458.02x = 61,970,511.19
  5. Step 5: Solve for x
    x = 61,970,511.19/8,458.02
  6. Step 6: Final answer
    x = 7,326.83

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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.