Home / 6,238.84-8,601.32-5,172.58

Finding the Fourth Proportional to 6,238.84, 8,601.32 and 5,172.58

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Solution

The fourth proportional to 6,238.84, 8,601.32 and 5,172.58 is: 7,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.84 : 8,601.32 = 5,172.58 : x
  2. Step 2: Convert to fraction form
    6,238.84/8,601.32 = 5,172.58/x
  3. Step 3: Cross multiply
    6,238.84x = 8,601.32 × 5,172.58
  4. Step 4: Simplify right side
    6,238.84x = 44,491,015.81
  5. Step 5: Solve for x
    x = 44,491,015.81/6,238.84
  6. Step 6: Final answer
    x = 7,131.30

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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.