Home / 6,121.16-8,444.42-3,603.40

Finding the Fourth Proportional to 6,121.16, 8,444.42 and 3,603.40

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Solution

The fourth proportional to 6,121.16, 8,444.42 and 3,603.40 is: 4,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.16 : 8,444.42 = 3,603.40 : x
  2. Step 2: Convert to fraction form
    6,121.16/8,444.42 = 3,603.40/x
  3. Step 3: Cross multiply
    6,121.16x = 8,444.42 × 3,603.40
  4. Step 4: Simplify right side
    6,121.16x = 30,428,623.03
  5. Step 5: Solve for x
    x = 30,428,623.03/6,121.16
  6. Step 6: Final answer
    x = 4,971.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.