Home / 6,861.52-10,266.76-4,089.70

Finding the Fourth Proportional to 6,861.52, 10,266.76 and 4,089.70

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Solution

The fourth proportional to 6,861.52, 10,266.76 and 4,089.70 is: 6,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.52 : 10,266.76 = 4,089.70 : x
  2. Step 2: Convert to fraction form
    6,861.52/10,266.76 = 4,089.70/x
  3. Step 3: Cross multiply
    6,861.52x = 10,266.76 × 4,089.70
  4. Step 4: Simplify right side
    6,861.52x = 41,987,968.37
  5. Step 5: Solve for x
    x = 41,987,968.37/6,861.52
  6. Step 6: Final answer
    x = 6,119.34

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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.