Home / 6,938.91-10,407.31-2,555.32

Finding the Fourth Proportional to 6,938.91, 10,407.31 and 2,555.32

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Solution

The fourth proportional to 6,938.91, 10,407.31 and 2,555.32 is: 3,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.91 : 10,407.31 = 2,555.32 : x
  2. Step 2: Convert to fraction form
    6,938.91/10,407.31 = 2,555.32/x
  3. Step 3: Cross multiply
    6,938.91x = 10,407.31 × 2,555.32
  4. Step 4: Simplify right side
    6,938.91x = 26,594,007.39
  5. Step 5: Solve for x
    x = 26,594,007.39/6,938.91
  6. Step 6: Final answer
    x = 3,832.59

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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.