Home / 6,603.64-9,907.67-2,161.51

Finding the Fourth Proportional to 6,603.64, 9,907.67 and 2,161.51

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Solution

The fourth proportional to 6,603.64, 9,907.67 and 2,161.51 is: 3,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.64 : 9,907.67 = 2,161.51 : x
  2. Step 2: Convert to fraction form
    6,603.64/9,907.67 = 2,161.51/x
  3. Step 3: Cross multiply
    6,603.64x = 9,907.67 × 2,161.51
  4. Step 4: Simplify right side
    6,603.64x = 21,415,527.78
  5. Step 5: Solve for x
    x = 21,415,527.78/6,603.64
  6. Step 6: Final answer
    x = 3,242.99

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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.