Home / 8,685.36-13,028.45-2,762.84

Finding the Fourth Proportional to 8,685.36, 13,028.45 and 2,762.84

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Solution

The fourth proportional to 8,685.36, 13,028.45 and 2,762.84 is: 4,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.36 : 13,028.45 = 2,762.84 : x
  2. Step 2: Convert to fraction form
    8,685.36/13,028.45 = 2,762.84/x
  3. Step 3: Cross multiply
    8,685.36x = 13,028.45 × 2,762.84
  4. Step 4: Simplify right side
    8,685.36x = 35,995,541.55
  5. Step 5: Solve for x
    x = 35,995,541.55/8,685.36
  6. Step 6: Final answer
    x = 4,144.39

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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.