Home / 4,938.06-6,813.87-3,172.07

Finding the Fourth Proportional to 4,938.06, 6,813.87 and 3,172.07

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Solution

The fourth proportional to 4,938.06, 6,813.87 and 3,172.07 is: 4,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.06 : 6,813.87 = 3,172.07 : x
  2. Step 2: Convert to fraction form
    4,938.06/6,813.87 = 3,172.07/x
  3. Step 3: Cross multiply
    4,938.06x = 6,813.87 × 3,172.07
  4. Step 4: Simplify right side
    4,938.06x = 21,614,038.54
  5. Step 5: Solve for x
    x = 21,614,038.54/4,938.06
  6. Step 6: Final answer
    x = 4,377.03

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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.