Home / 4,172.15-5,756.60-2,848.61

Finding the Fourth Proportional to 4,172.15, 5,756.60 and 2,848.61

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Solution

The fourth proportional to 4,172.15, 5,756.60 and 2,848.61 is: 3,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.15 : 5,756.60 = 2,848.61 : x
  2. Step 2: Convert to fraction form
    4,172.15/5,756.60 = 2,848.61/x
  3. Step 3: Cross multiply
    4,172.15x = 5,756.60 × 2,848.61
  4. Step 4: Simplify right side
    4,172.15x = 16,398,294.08
  5. Step 5: Solve for x
    x = 16,398,294.08/4,172.15
  6. Step 6: Final answer
    x = 3,930.42

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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.