Home / 4,330.86-5,977.14-2,840.04

Finding the Fourth Proportional to 4,330.86, 5,977.14 and 2,840.04

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Solution

The fourth proportional to 4,330.86, 5,977.14 and 2,840.04 is: 3,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.86 : 5,977.14 = 2,840.04 : x
  2. Step 2: Convert to fraction form
    4,330.86/5,977.14 = 2,840.04/x
  3. Step 3: Cross multiply
    4,330.86x = 5,977.14 × 2,840.04
  4. Step 4: Simplify right side
    4,330.86x = 16,975,316.69
  5. Step 5: Solve for x
    x = 16,975,316.69/4,330.86
  6. Step 6: Final answer
    x = 3,919.62

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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.