Home / 5,638.88-8,457.84-1,743.52

Finding the Fourth Proportional to 5,638.88, 8,457.84 and 1,743.52

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Solution

The fourth proportional to 5,638.88, 8,457.84 and 1,743.52 is: 2,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.88 : 8,457.84 = 1,743.52 : x
  2. Step 2: Convert to fraction form
    5,638.88/8,457.84 = 1,743.52/x
  3. Step 3: Cross multiply
    5,638.88x = 8,457.84 × 1,743.52
  4. Step 4: Simplify right side
    5,638.88x = 14,746,413.20
  5. Step 5: Solve for x
    x = 14,746,413.20/5,638.88
  6. Step 6: Final answer
    x = 2,615.13

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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.