Home / 4,128.23-6,191.64-1,786.93

Finding the Fourth Proportional to 4,128.23, 6,191.64 and 1,786.93

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Solution

The fourth proportional to 4,128.23, 6,191.64 and 1,786.93 is: 2,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.23 : 6,191.64 = 1,786.93 : x
  2. Step 2: Convert to fraction form
    4,128.23/6,191.64 = 1,786.93/x
  3. Step 3: Cross multiply
    4,128.23x = 6,191.64 × 1,786.93
  4. Step 4: Simplify right side
    4,128.23x = 11,064,011.79
  5. Step 5: Solve for x
    x = 11,064,011.79/4,128.23
  6. Step 6: Final answer
    x = 2,680.08

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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.