Home / 4,257.48-5,875.35-2,578.47

Finding the Fourth Proportional to 4,257.48, 5,875.35 and 2,578.47

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Solution

The fourth proportional to 4,257.48, 5,875.35 and 2,578.47 is: 3,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.48 : 5,875.35 = 2,578.47 : x
  2. Step 2: Convert to fraction form
    4,257.48/5,875.35 = 2,578.47/x
  3. Step 3: Cross multiply
    4,257.48x = 5,875.35 × 2,578.47
  4. Step 4: Simplify right side
    4,257.48x = 15,149,413.71
  5. Step 5: Solve for x
    x = 15,149,413.71/4,257.48
  6. Step 6: Final answer
    x = 3,558.31

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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.