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Finding the Fourth Proportional to 5,353.65, 8,031.83 and 1,843.74

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Solution

The fourth proportional to 5,353.65, 8,031.83 and 1,843.74 is: 2,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.65 : 8,031.83 = 1,843.74 : x
  2. Step 2: Convert to fraction form
    5,353.65/8,031.83 = 1,843.74/x
  3. Step 3: Cross multiply
    5,353.65x = 8,031.83 × 1,843.74
  4. Step 4: Simplify right side
    5,353.65x = 14,808,597.03
  5. Step 5: Solve for x
    x = 14,808,597.03/5,353.65
  6. Step 6: Final answer
    x = 2,766.07

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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.