Home / 4,649-6,975.90-3,090.08

Finding the Fourth Proportional to 4,649, 6,975.90 and 3,090.08

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Solution

The fourth proportional to 4,649, 6,975.90 and 3,090.08 is: 4,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649 : 6,975.90 = 3,090.08 : x
  2. Step 2: Convert to fraction form
    4,649/6,975.90 = 3,090.08/x
  3. Step 3: Cross multiply
    4,649x = 6,975.90 × 3,090.08
  4. Step 4: Simplify right side
    4,649x = 21,556,089.07
  5. Step 5: Solve for x
    x = 21,556,089.07/4,649
  6. Step 6: Final answer
    x = 4,636.72

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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.