Home / 6,643.42-9,166.03-4,286.93

Finding the Fourth Proportional to 6,643.42, 9,166.03 and 4,286.93

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Solution

The fourth proportional to 6,643.42, 9,166.03 and 4,286.93 is: 5,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.42 : 9,166.03 = 4,286.93 : x
  2. Step 2: Convert to fraction form
    6,643.42/9,166.03 = 4,286.93/x
  3. Step 3: Cross multiply
    6,643.42x = 9,166.03 × 4,286.93
  4. Step 4: Simplify right side
    6,643.42x = 39,294,128.99
  5. Step 5: Solve for x
    x = 39,294,128.99/6,643.42
  6. Step 6: Final answer
    x = 5,914.74

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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.