Home / 4,448.69-6,672.81-1,328.72

Finding the Fourth Proportional to 4,448.69, 6,672.81 and 1,328.72

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Solution

The fourth proportional to 4,448.69, 6,672.81 and 1,328.72 is: 1,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.69 : 6,672.81 = 1,328.72 : x
  2. Step 2: Convert to fraction form
    4,448.69/6,672.81 = 1,328.72/x
  3. Step 3: Cross multiply
    4,448.69x = 6,672.81 × 1,328.72
  4. Step 4: Simplify right side
    4,448.69x = 8,866,312.79
  5. Step 5: Solve for x
    x = 8,866,312.79/4,448.69
  6. Step 6: Final answer
    x = 1,993.02

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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.