Home / 8,651.09-11,938.74-5,293.84

Finding the Fourth Proportional to 8,651.09, 11,938.74 and 5,293.84

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Solution

The fourth proportional to 8,651.09, 11,938.74 and 5,293.84 is: 7,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.09 : 11,938.74 = 5,293.84 : x
  2. Step 2: Convert to fraction form
    8,651.09/11,938.74 = 5,293.84/x
  3. Step 3: Cross multiply
    8,651.09x = 11,938.74 × 5,293.84
  4. Step 4: Simplify right side
    8,651.09x = 63,201,779.36
  5. Step 5: Solve for x
    x = 63,201,779.36/8,651.09
  6. Step 6: Final answer
    x = 7,305.64

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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.