Home / 4,275.07-6,413.43-1,642.38

Finding the Fourth Proportional to 4,275.07, 6,413.43 and 1,642.38

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Solution

The fourth proportional to 4,275.07, 6,413.43 and 1,642.38 is: 2,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.07 : 6,413.43 = 1,642.38 : x
  2. Step 2: Convert to fraction form
    4,275.07/6,413.43 = 1,642.38/x
  3. Step 3: Cross multiply
    4,275.07x = 6,413.43 × 1,642.38
  4. Step 4: Simplify right side
    4,275.07x = 10,533,248.88
  5. Step 5: Solve for x
    x = 10,533,248.88/4,275.07
  6. Step 6: Final answer
    x = 2,463.88

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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.