Home / 8,851.86-13,280.06-2,611.62

Finding the Fourth Proportional to 8,851.86, 13,280.06 and 2,611.62

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Solution

The fourth proportional to 8,851.86, 13,280.06 and 2,611.62 is: 3,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.86 : 13,280.06 = 2,611.62 : x
  2. Step 2: Convert to fraction form
    8,851.86/13,280.06 = 2,611.62/x
  3. Step 3: Cross multiply
    8,851.86x = 13,280.06 × 2,611.62
  4. Step 4: Simplify right side
    8,851.86x = 34,682,457.24
  5. Step 5: Solve for x
    x = 34,682,457.24/8,851.86
  6. Step 6: Final answer
    x = 3,918.10

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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.