Home / 7,069.36-10,603.77-2,908.21

Finding the Fourth Proportional to 7,069.36, 10,603.77 and 2,908.21

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Solution

The fourth proportional to 7,069.36, 10,603.77 and 2,908.21 is: 4,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.36 : 10,603.77 = 2,908.21 : x
  2. Step 2: Convert to fraction form
    7,069.36/10,603.77 = 2,908.21/x
  3. Step 3: Cross multiply
    7,069.36x = 10,603.77 × 2,908.21
  4. Step 4: Simplify right side
    7,069.36x = 30,837,989.95
  5. Step 5: Solve for x
    x = 30,837,989.95/7,069.36
  6. Step 6: Final answer
    x = 4,362.20

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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.