Home / 5,577.12-8,369.72-2,655.40

Finding the Fourth Proportional to 5,577.12, 8,369.72 and 2,655.40

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Solution

The fourth proportional to 5,577.12, 8,369.72 and 2,655.40 is: 3,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.12 : 8,369.72 = 2,655.40 : x
  2. Step 2: Convert to fraction form
    5,577.12/8,369.72 = 2,655.40/x
  3. Step 3: Cross multiply
    5,577.12x = 8,369.72 × 2,655.40
  4. Step 4: Simplify right side
    5,577.12x = 22,224,954.49
  5. Step 5: Solve for x
    x = 22,224,954.49/5,577.12
  6. Step 6: Final answer
    x = 3,985.02

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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.