Home / 5,636.50-8,459.74-2,678.58

Finding the Fourth Proportional to 5,636.50, 8,459.74 and 2,678.58

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Solution

The fourth proportional to 5,636.50, 8,459.74 and 2,678.58 is: 4,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.50 : 8,459.74 = 2,678.58 : x
  2. Step 2: Convert to fraction form
    5,636.50/8,459.74 = 2,678.58/x
  3. Step 3: Cross multiply
    5,636.50x = 8,459.74 × 2,678.58
  4. Step 4: Simplify right side
    5,636.50x = 22,660,090.37
  5. Step 5: Solve for x
    x = 22,660,090.37/5,636.50
  6. Step 6: Final answer
    x = 4,020.24

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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.