Home / 7,755.36-10,696.67-4,920.29

Finding the Fourth Proportional to 7,755.36, 10,696.67 and 4,920.29

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Solution

The fourth proportional to 7,755.36, 10,696.67 and 4,920.29 is: 6,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.36 : 10,696.67 = 4,920.29 : x
  2. Step 2: Convert to fraction form
    7,755.36/10,696.67 = 4,920.29/x
  3. Step 3: Cross multiply
    7,755.36x = 10,696.67 × 4,920.29
  4. Step 4: Simplify right side
    7,755.36x = 52,630,693.83
  5. Step 5: Solve for x
    x = 52,630,693.83/7,755.36
  6. Step 6: Final answer
    x = 6,786.37

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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.