Home / 6,238.83-8,601.31-5,172.57

Finding the Fourth Proportional to 6,238.83, 8,601.31 and 5,172.57

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Solution

The fourth proportional to 6,238.83, 8,601.31 and 5,172.57 is: 7,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.83 : 8,601.31 = 5,172.57 : x
  2. Step 2: Convert to fraction form
    6,238.83/8,601.31 = 5,172.57/x
  3. Step 3: Cross multiply
    6,238.83x = 8,601.31 × 5,172.57
  4. Step 4: Simplify right side
    6,238.83x = 44,490,878.07
  5. Step 5: Solve for x
    x = 44,490,878.07/6,238.83
  6. Step 6: Final answer
    x = 7,131.29

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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.