Home / 7,618.14-11,427.21-2,071.49

Finding the Fourth Proportional to 7,618.14, 11,427.21 and 2,071.49

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Solution

The fourth proportional to 7,618.14, 11,427.21 and 2,071.49 is: 3,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.14 : 11,427.21 = 2,071.49 : x
  2. Step 2: Convert to fraction form
    7,618.14/11,427.21 = 2,071.49/x
  3. Step 3: Cross multiply
    7,618.14x = 11,427.21 × 2,071.49
  4. Step 4: Simplify right side
    7,618.14x = 23,671,294.11
  5. Step 5: Solve for x
    x = 23,671,294.11/7,618.14
  6. Step 6: Final answer
    x = 3,107.23

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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.