Home / 5,655.79-8,485.34-2,535.10

Finding the Fourth Proportional to 5,655.79, 8,485.34 and 2,535.10

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Solution

The fourth proportional to 5,655.79, 8,485.34 and 2,535.10 is: 3,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.79 : 8,485.34 = 2,535.10 : x
  2. Step 2: Convert to fraction form
    5,655.79/8,485.34 = 2,535.10/x
  3. Step 3: Cross multiply
    5,655.79x = 8,485.34 × 2,535.10
  4. Step 4: Simplify right side
    5,655.79x = 21,511,185.43
  5. Step 5: Solve for x
    x = 21,511,185.43/5,655.79
  6. Step 6: Final answer
    x = 3,803.39

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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.