Home / 7,744.09-10,686.44-4,207.29

Finding the Fourth Proportional to 7,744.09, 10,686.44 and 4,207.29

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Solution

The fourth proportional to 7,744.09, 10,686.44 and 4,207.29 is: 5,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.09 : 10,686.44 = 4,207.29 : x
  2. Step 2: Convert to fraction form
    7,744.09/10,686.44 = 4,207.29/x
  3. Step 3: Cross multiply
    7,744.09x = 10,686.44 × 4,207.29
  4. Step 4: Simplify right side
    7,744.09x = 44,960,952.15
  5. Step 5: Solve for x
    x = 44,960,952.15/7,744.09
  6. Step 6: Final answer
    x = 5,805.84

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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.