Home / 4,455-6,678.45-2,374.11

Finding the Fourth Proportional to 4,455, 6,678.45 and 2,374.11

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Solution

The fourth proportional to 4,455, 6,678.45 and 2,374.11 is: 3,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455 : 6,678.45 = 2,374.11 : x
  2. Step 2: Convert to fraction form
    4,455/6,678.45 = 2,374.11/x
  3. Step 3: Cross multiply
    4,455x = 6,678.45 × 2,374.11
  4. Step 4: Simplify right side
    4,455x = 15,855,374.93
  5. Step 5: Solve for x
    x = 15,855,374.93/4,455
  6. Step 6: Final answer
    x = 3,559.01

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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.