Home / 6,861.02-10,266.01-4,089.20

Finding the Fourth Proportional to 6,861.02, 10,266.01 and 4,089.20

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Solution

The fourth proportional to 6,861.02, 10,266.01 and 4,089.20 is: 6,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.02 : 10,266.01 = 4,089.20 : x
  2. Step 2: Convert to fraction form
    6,861.02/10,266.01 = 4,089.20/x
  3. Step 3: Cross multiply
    6,861.02x = 10,266.01 × 4,089.20
  4. Step 4: Simplify right side
    6,861.02x = 41,979,768.09
  5. Step 5: Solve for x
    x = 41,979,768.09/6,861.02
  6. Step 6: Final answer
    x = 6,118.59

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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.