Home / 5,085-7,626.60-2,311.02

Finding the Fourth Proportional to 5,085, 7,626.60 and 2,311.02

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Solution

The fourth proportional to 5,085, 7,626.60 and 2,311.02 is: 3,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085 : 7,626.60 = 2,311.02 : x
  2. Step 2: Convert to fraction form
    5,085/7,626.60 = 2,311.02/x
  3. Step 3: Cross multiply
    5,085x = 7,626.60 × 2,311.02
  4. Step 4: Simplify right side
    5,085x = 17,625,225.13
  5. Step 5: Solve for x
    x = 17,625,225.13/5,085
  6. Step 6: Final answer
    x = 3,466.12

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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.