Home / 4,661.26-6,427.29-3,400.09

Finding the Fourth Proportional to 4,661.26, 6,427.29 and 3,400.09

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Solution

The fourth proportional to 4,661.26, 6,427.29 and 3,400.09 is: 4,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.26 : 6,427.29 = 3,400.09 : x
  2. Step 2: Convert to fraction form
    4,661.26/6,427.29 = 3,400.09/x
  3. Step 3: Cross multiply
    4,661.26x = 6,427.29 × 3,400.09
  4. Step 4: Simplify right side
    4,661.26x = 21,853,364.46
  5. Step 5: Solve for x
    x = 21,853,364.46/4,661.26
  6. Step 6: Final answer
    x = 4,688.30

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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.