Home / 8,665.02-11,959.65-5,081.58

Finding the Fourth Proportional to 8,665.02, 11,959.65 and 5,081.58

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Solution

The fourth proportional to 8,665.02, 11,959.65 and 5,081.58 is: 7,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.02 : 11,959.65 = 5,081.58 : x
  2. Step 2: Convert to fraction form
    8,665.02/11,959.65 = 5,081.58/x
  3. Step 3: Cross multiply
    8,665.02x = 11,959.65 × 5,081.58
  4. Step 4: Simplify right side
    8,665.02x = 60,773,918.25
  5. Step 5: Solve for x
    x = 60,773,918.25/8,665.02
  6. Step 6: Final answer
    x = 7,013.71

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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.