Home / 5,516.07-8,274.63-1,818.31

Finding the Fourth Proportional to 5,516.07, 8,274.63 and 1,818.31

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Solution

The fourth proportional to 5,516.07, 8,274.63 and 1,818.31 is: 2,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.07 : 8,274.63 = 1,818.31 : x
  2. Step 2: Convert to fraction form
    5,516.07/8,274.63 = 1,818.31/x
  3. Step 3: Cross multiply
    5,516.07x = 8,274.63 × 1,818.31
  4. Step 4: Simplify right side
    5,516.07x = 15,045,842.48
  5. Step 5: Solve for x
    x = 15,045,842.48/5,516.07
  6. Step 6: Final answer
    x = 2,727.64

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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.