Home / 7,106.21-9,807.23-4,081.75

Finding the Fourth Proportional to 7,106.21, 9,807.23 and 4,081.75

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Solution

The fourth proportional to 7,106.21, 9,807.23 and 4,081.75 is: 5,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.21 : 9,807.23 = 4,081.75 : x
  2. Step 2: Convert to fraction form
    7,106.21/9,807.23 = 4,081.75/x
  3. Step 3: Cross multiply
    7,106.21x = 9,807.23 × 4,081.75
  4. Step 4: Simplify right side
    7,106.21x = 40,030,661.05
  5. Step 5: Solve for x
    x = 40,030,661.05/7,106.21
  6. Step 6: Final answer
    x = 5,633.19

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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.