Home / 4,410.47-6,616.67-1,290.74

Finding the Fourth Proportional to 4,410.47, 6,616.67 and 1,290.74

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Solution

The fourth proportional to 4,410.47, 6,616.67 and 1,290.74 is: 1,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.47 : 6,616.67 = 1,290.74 : x
  2. Step 2: Convert to fraction form
    4,410.47/6,616.67 = 1,290.74/x
  3. Step 3: Cross multiply
    4,410.47x = 6,616.67 × 1,290.74
  4. Step 4: Simplify right side
    4,410.47x = 8,540,361.10
  5. Step 5: Solve for x
    x = 8,540,361.10/4,410.47
  6. Step 6: Final answer
    x = 1,936.38

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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.