Home / 4,211.16-6,316.47-1,643.94

Finding the Fourth Proportional to 4,211.16, 6,316.47 and 1,643.94

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Solution

The fourth proportional to 4,211.16, 6,316.47 and 1,643.94 is: 2,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.16 : 6,316.47 = 1,643.94 : x
  2. Step 2: Convert to fraction form
    4,211.16/6,316.47 = 1,643.94/x
  3. Step 3: Cross multiply
    4,211.16x = 6,316.47 × 1,643.94
  4. Step 4: Simplify right side
    4,211.16x = 10,383,877.61
  5. Step 5: Solve for x
    x = 10,383,877.61/4,211.16
  6. Step 6: Final answer
    x = 2,465.80

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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.