Home / 5,765.63-8,648.45-2,068.08

Finding the Fourth Proportional to 5,765.63, 8,648.45 and 2,068.08

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Solution

The fourth proportional to 5,765.63, 8,648.45 and 2,068.08 is: 3,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.63 : 8,648.45 = 2,068.08 : x
  2. Step 2: Convert to fraction form
    5,765.63/8,648.45 = 2,068.08/x
  3. Step 3: Cross multiply
    5,765.63x = 8,648.45 × 2,068.08
  4. Step 4: Simplify right side
    5,765.63x = 17,885,676.14
  5. Step 5: Solve for x
    x = 17,885,676.14/5,765.63
  6. Step 6: Final answer
    x = 3,102.12

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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.