Home / 4,273.90-6,411.70-1,808.70

Finding the Fourth Proportional to 4,273.90, 6,411.70 and 1,808.70

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Solution

The fourth proportional to 4,273.90, 6,411.70 and 1,808.70 is: 2,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.90 : 6,411.70 = 1,808.70 : x
  2. Step 2: Convert to fraction form
    4,273.90/6,411.70 = 1,808.70/x
  3. Step 3: Cross multiply
    4,273.90x = 6,411.70 × 1,808.70
  4. Step 4: Simplify right side
    4,273.90x = 11,596,841.79
  5. Step 5: Solve for x
    x = 11,596,841.79/4,273.90
  6. Step 6: Final answer
    x = 2,713.41

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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.