Home / 8,268.38-11,409.59-4,731.51

Finding the Fourth Proportional to 8,268.38, 11,409.59 and 4,731.51

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Solution

The fourth proportional to 8,268.38, 11,409.59 and 4,731.51 is: 6,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.38 : 11,409.59 = 4,731.51 : x
  2. Step 2: Convert to fraction form
    8,268.38/11,409.59 = 4,731.51/x
  3. Step 3: Cross multiply
    8,268.38x = 11,409.59 × 4,731.51
  4. Step 4: Simplify right side
    8,268.38x = 53,984,643.80
  5. Step 5: Solve for x
    x = 53,984,643.80/8,268.38
  6. Step 6: Final answer
    x = 6,529.05

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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.