Home / 8,318.07-11,476.71-4,959.36

Finding the Fourth Proportional to 8,318.07, 11,476.71 and 4,959.36

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Solution

The fourth proportional to 8,318.07, 11,476.71 and 4,959.36 is: 6,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.07 : 11,476.71 = 4,959.36 : x
  2. Step 2: Convert to fraction form
    8,318.07/11,476.71 = 4,959.36/x
  3. Step 3: Cross multiply
    8,318.07x = 11,476.71 × 4,959.36
  4. Step 4: Simplify right side
    8,318.07x = 56,917,136.51
  5. Step 5: Solve for x
    x = 56,917,136.51/8,318.07
  6. Step 6: Final answer
    x = 6,842.59

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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.