Home / 8,613.67-11,886.56-5,262.09

Finding the Fourth Proportional to 8,613.67, 11,886.56 and 5,262.09

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Solution

The fourth proportional to 8,613.67, 11,886.56 and 5,262.09 is: 7,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.67 : 11,886.56 = 5,262.09 : x
  2. Step 2: Convert to fraction form
    8,613.67/11,886.56 = 5,262.09/x
  3. Step 3: Cross multiply
    8,613.67x = 11,886.56 × 5,262.09
  4. Step 4: Simplify right side
    8,613.67x = 62,548,127.07
  5. Step 5: Solve for x
    x = 62,548,127.07/8,613.67
  6. Step 6: Final answer
    x = 7,261.50

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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.