Home / 4,079.98-6,120.69-1,448.29

Finding the Fourth Proportional to 4,079.98, 6,120.69 and 1,448.29

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Solution

The fourth proportional to 4,079.98, 6,120.69 and 1,448.29 is: 2,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.98 : 6,120.69 = 1,448.29 : x
  2. Step 2: Convert to fraction form
    4,079.98/6,120.69 = 1,448.29/x
  3. Step 3: Cross multiply
    4,079.98x = 6,120.69 × 1,448.29
  4. Step 4: Simplify right side
    4,079.98x = 8,864,534.12
  5. Step 5: Solve for x
    x = 8,864,534.12/4,079.98
  6. Step 6: Final answer
    x = 2,172.69

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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.