Home / 8,620.54-11,897.63-5,265.28

Finding the Fourth Proportional to 8,620.54, 11,897.63 and 5,265.28

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Solution

The fourth proportional to 8,620.54, 11,897.63 and 5,265.28 is: 7,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.54 : 11,897.63 = 5,265.28 : x
  2. Step 2: Convert to fraction form
    8,620.54/11,897.63 = 5,265.28/x
  3. Step 3: Cross multiply
    8,620.54x = 11,897.63 × 5,265.28
  4. Step 4: Simplify right side
    8,620.54x = 62,644,297.22
  5. Step 5: Solve for x
    x = 62,644,297.22/8,620.54
  6. Step 6: Final answer
    x = 7,266.87

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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.