Home / 4,443.39-6,129.99-2,849.72

Finding the Fourth Proportional to 4,443.39, 6,129.99 and 2,849.72

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Solution

The fourth proportional to 4,443.39, 6,129.99 and 2,849.72 is: 3,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.39 : 6,129.99 = 2,849.72 : x
  2. Step 2: Convert to fraction form
    4,443.39/6,129.99 = 2,849.72/x
  3. Step 3: Cross multiply
    4,443.39x = 6,129.99 × 2,849.72
  4. Step 4: Simplify right side
    4,443.39x = 17,468,724.45
  5. Step 5: Solve for x
    x = 17,468,724.45/4,443.39
  6. Step 6: Final answer
    x = 3,931.40

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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.