Home / 6,172.31-8,520.60-3,937.25

Finding the Fourth Proportional to 6,172.31, 8,520.60 and 3,937.25

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Solution

The fourth proportional to 6,172.31, 8,520.60 and 3,937.25 is: 5,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.31 : 8,520.60 = 3,937.25 : x
  2. Step 2: Convert to fraction form
    6,172.31/8,520.60 = 3,937.25/x
  3. Step 3: Cross multiply
    6,172.31x = 8,520.60 × 3,937.25
  4. Step 4: Simplify right side
    6,172.31x = 33,547,732.35
  5. Step 5: Solve for x
    x = 33,547,732.35/6,172.31
  6. Step 6: Final answer
    x = 5,435.20

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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.