Home / 7,814.51-10,789.07-6,973.79

Finding the Fourth Proportional to 7,814.51, 10,789.07 and 6,973.79

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Solution

The fourth proportional to 7,814.51, 10,789.07 and 6,973.79 is: 9,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.51 : 10,789.07 = 6,973.79 : x
  2. Step 2: Convert to fraction form
    7,814.51/10,789.07 = 6,973.79/x
  3. Step 3: Cross multiply
    7,814.51x = 10,789.07 × 6,973.79
  4. Step 4: Simplify right side
    7,814.51x = 75,240,619.66
  5. Step 5: Solve for x
    x = 75,240,619.66/7,814.51
  6. Step 6: Final answer
    x = 9,628.33

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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.