Home / 7,071.06-10,603.85-2,389.82

Finding the Fourth Proportional to 7,071.06, 10,603.85 and 2,389.82

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Solution

The fourth proportional to 7,071.06, 10,603.85 and 2,389.82 is: 3,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.06 : 10,603.85 = 2,389.82 : x
  2. Step 2: Convert to fraction form
    7,071.06/10,603.85 = 2,389.82/x
  3. Step 3: Cross multiply
    7,071.06x = 10,603.85 × 2,389.82
  4. Step 4: Simplify right side
    7,071.06x = 25,341,245.76
  5. Step 5: Solve for x
    x = 25,341,245.76/7,071.06
  6. Step 6: Final answer
    x = 3,583.80

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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.