Home / 6,670.27-9,205.41-4,428.64

Finding the Fourth Proportional to 6,670.27, 9,205.41 and 4,428.64

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Solution

The fourth proportional to 6,670.27, 9,205.41 and 4,428.64 is: 6,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.27 : 9,205.41 = 4,428.64 : x
  2. Step 2: Convert to fraction form
    6,670.27/9,205.41 = 4,428.64/x
  3. Step 3: Cross multiply
    6,670.27x = 9,205.41 × 4,428.64
  4. Step 4: Simplify right side
    6,670.27x = 40,767,446.94
  5. Step 5: Solve for x
    x = 40,767,446.94/6,670.27
  6. Step 6: Final answer
    x = 6,111.81

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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.