Home / 8,412.84-11,613.30-5,268.36

Finding the Fourth Proportional to 8,412.84, 11,613.30 and 5,268.36

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Solution

The fourth proportional to 8,412.84, 11,613.30 and 5,268.36 is: 7,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.84 : 11,613.30 = 5,268.36 : x
  2. Step 2: Convert to fraction form
    8,412.84/11,613.30 = 5,268.36/x
  3. Step 3: Cross multiply
    8,412.84x = 11,613.30 × 5,268.36
  4. Step 4: Simplify right side
    8,412.84x = 61,183,045.19
  5. Step 5: Solve for x
    x = 61,183,045.19/8,412.84
  6. Step 6: Final answer
    x = 7,272.58

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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.