Home / 4,275.91-6,413.17-1,642.20

Finding the Fourth Proportional to 4,275.91, 6,413.17 and 1,642.20

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Solution

The fourth proportional to 4,275.91, 6,413.17 and 1,642.20 is: 2,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.91 : 6,413.17 = 1,642.20 : x
  2. Step 2: Convert to fraction form
    4,275.91/6,413.17 = 1,642.20/x
  3. Step 3: Cross multiply
    4,275.91x = 6,413.17 × 1,642.20
  4. Step 4: Simplify right side
    4,275.91x = 10,531,707.77
  5. Step 5: Solve for x
    x = 10,531,707.77/4,275.91
  6. Step 6: Final answer
    x = 2,463.03

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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.