Home / 7,068.31-9,755.09-3,924.70

Finding the Fourth Proportional to 7,068.31, 9,755.09 and 3,924.70

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Solution

The fourth proportional to 7,068.31, 9,755.09 and 3,924.70 is: 5,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.31 : 9,755.09 = 3,924.70 : x
  2. Step 2: Convert to fraction form
    7,068.31/9,755.09 = 3,924.70/x
  3. Step 3: Cross multiply
    7,068.31x = 9,755.09 × 3,924.70
  4. Step 4: Simplify right side
    7,068.31x = 38,285,801.72
  5. Step 5: Solve for x
    x = 38,285,801.72/7,068.31
  6. Step 6: Final answer
    x = 5,416.54

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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.