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Finding the Fourth Proportional to 7,809.40, 10,773.94 and 4,976.26

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Solution

The fourth proportional to 7,809.40, 10,773.94 and 4,976.26 is: 6,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.40 : 10,773.94 = 4,976.26 : x
  2. Step 2: Convert to fraction form
    7,809.40/10,773.94 = 4,976.26/x
  3. Step 3: Cross multiply
    7,809.40x = 10,773.94 × 4,976.26
  4. Step 4: Simplify right side
    7,809.40x = 53,613,926.66
  5. Step 5: Solve for x
    x = 53,613,926.66/7,809.40
  6. Step 6: Final answer
    x = 6,865.31

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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.