Home / 6,916.31-10,369.43-2,755.07

Finding the Fourth Proportional to 6,916.31, 10,369.43 and 2,755.07

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Solution

The fourth proportional to 6,916.31, 10,369.43 and 2,755.07 is: 4,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.31 : 10,369.43 = 2,755.07 : x
  2. Step 2: Convert to fraction form
    6,916.31/10,369.43 = 2,755.07/x
  3. Step 3: Cross multiply
    6,916.31x = 10,369.43 × 2,755.07
  4. Step 4: Simplify right side
    6,916.31x = 28,568,505.51
  5. Step 5: Solve for x
    x = 28,568,505.51/6,916.31
  6. Step 6: Final answer
    x = 4,130.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.