Home / 6,457.25-9,685.82-4,275.74

Finding the Fourth Proportional to 6,457.25, 9,685.82 and 4,275.74

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Solution

The fourth proportional to 6,457.25, 9,685.82 and 4,275.74 is: 6,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.25 : 9,685.82 = 4,275.74 : x
  2. Step 2: Convert to fraction form
    6,457.25/9,685.82 = 4,275.74/x
  3. Step 3: Cross multiply
    6,457.25x = 9,685.82 × 4,275.74
  4. Step 4: Simplify right side
    6,457.25x = 41,413,978.20
  5. Step 5: Solve for x
    x = 41,413,978.20/6,457.25
  6. Step 6: Final answer
    x = 6,413.57

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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.