Home / 5,475.10-8,208.69-1,775.29

Finding the Fourth Proportional to 5,475.10, 8,208.69 and 1,775.29

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Solution

The fourth proportional to 5,475.10, 8,208.69 and 1,775.29 is: 2,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.10 : 8,208.69 = 1,775.29 : x
  2. Step 2: Convert to fraction form
    5,475.10/8,208.69 = 1,775.29/x
  3. Step 3: Cross multiply
    5,475.10x = 8,208.69 × 1,775.29
  4. Step 4: Simplify right side
    5,475.10x = 14,572,805.27
  5. Step 5: Solve for x
    x = 14,572,805.27/5,475.10
  6. Step 6: Final answer
    x = 2,661.65

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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.