Home / 5,718.16-8,577.40-1,822.80

Finding the Fourth Proportional to 5,718.16, 8,577.40 and 1,822.80

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Solution

The fourth proportional to 5,718.16, 8,577.40 and 1,822.80 is: 2,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.16 : 8,577.40 = 1,822.80 : x
  2. Step 2: Convert to fraction form
    5,718.16/8,577.40 = 1,822.80/x
  3. Step 3: Cross multiply
    5,718.16x = 8,577.40 × 1,822.80
  4. Step 4: Simplify right side
    5,718.16x = 15,634,884.72
  5. Step 5: Solve for x
    x = 15,634,884.72/5,718.16
  6. Step 6: Final answer
    x = 2,734.25

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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.