Home / 7,083.78-10,611.09-4,155.03

Finding the Fourth Proportional to 7,083.78, 10,611.09 and 4,155.03

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Solution

The fourth proportional to 7,083.78, 10,611.09 and 4,155.03 is: 6,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.78 : 10,611.09 = 4,155.03 : x
  2. Step 2: Convert to fraction form
    7,083.78/10,611.09 = 4,155.03/x
  3. Step 3: Cross multiply
    7,083.78x = 10,611.09 × 4,155.03
  4. Step 4: Simplify right side
    7,083.78x = 44,089,397.28
  5. Step 5: Solve for x
    x = 44,089,397.28/7,083.78
  6. Step 6: Final answer
    x = 6,223.99

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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.