Home / 6,771.89-10,133.21-5,590.91

Finding the Fourth Proportional to 6,771.89, 10,133.21 and 5,590.91

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Solution

The fourth proportional to 6,771.89, 10,133.21 and 5,590.91 is: 8,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.89 : 10,133.21 = 5,590.91 : x
  2. Step 2: Convert to fraction form
    6,771.89/10,133.21 = 5,590.91/x
  3. Step 3: Cross multiply
    6,771.89x = 10,133.21 × 5,590.91
  4. Step 4: Simplify right side
    6,771.89x = 56,653,865.12
  5. Step 5: Solve for x
    x = 56,653,865.12/6,771.89
  6. Step 6: Final answer
    x = 8,366.03

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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.