Home / 4,273.40-6,409.82-1,353.80

Finding the Fourth Proportional to 4,273.40, 6,409.82 and 1,353.80

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Solution

The fourth proportional to 4,273.40, 6,409.82 and 1,353.80 is: 2,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.40 : 6,409.82 = 1,353.80 : x
  2. Step 2: Convert to fraction form
    4,273.40/6,409.82 = 1,353.80/x
  3. Step 3: Cross multiply
    4,273.40x = 6,409.82 × 1,353.80
  4. Step 4: Simplify right side
    4,273.40x = 8,677,614.32
  5. Step 5: Solve for x
    x = 8,677,614.32/4,273.40
  6. Step 6: Final answer
    x = 2,030.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.