Home / 4,657.09-6,426.70-2,640.51

Finding the Fourth Proportional to 4,657.09, 6,426.70 and 2,640.51

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Solution

The fourth proportional to 4,657.09, 6,426.70 and 2,640.51 is: 3,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.09 : 6,426.70 = 2,640.51 : x
  2. Step 2: Convert to fraction form
    4,657.09/6,426.70 = 2,640.51/x
  3. Step 3: Cross multiply
    4,657.09x = 6,426.70 × 2,640.51
  4. Step 4: Simplify right side
    4,657.09x = 16,969,765.62
  5. Step 5: Solve for x
    x = 16,969,765.62/4,657.09
  6. Step 6: Final answer
    x = 3,643.86

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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.