Home / 4,516.91-6,776.47-1,555.40

Finding the Fourth Proportional to 4,516.91, 6,776.47 and 1,555.40

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Solution

The fourth proportional to 4,516.91, 6,776.47 and 1,555.40 is: 2,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.91 : 6,776.47 = 1,555.40 : x
  2. Step 2: Convert to fraction form
    4,516.91/6,776.47 = 1,555.40/x
  3. Step 3: Cross multiply
    4,516.91x = 6,776.47 × 1,555.40
  4. Step 4: Simplify right side
    4,516.91x = 10,540,121.44
  5. Step 5: Solve for x
    x = 10,540,121.44/4,516.91
  6. Step 6: Final answer
    x = 2,333.48

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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.