Home / 6,805.48-10,211.10-2,911.72

Finding the Fourth Proportional to 6,805.48, 10,211.10 and 2,911.72

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Solution

The fourth proportional to 6,805.48, 10,211.10 and 2,911.72 is: 4,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.48 : 10,211.10 = 2,911.72 : x
  2. Step 2: Convert to fraction form
    6,805.48/10,211.10 = 2,911.72/x
  3. Step 3: Cross multiply
    6,805.48x = 10,211.10 × 2,911.72
  4. Step 4: Simplify right side
    6,805.48x = 29,731,864.09
  5. Step 5: Solve for x
    x = 29,731,864.09/6,805.48
  6. Step 6: Final answer
    x = 4,368.81

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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.