Home / 4,277.84-6,408.40-2,812.56

Finding the Fourth Proportional to 4,277.84, 6,408.40 and 2,812.56

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Solution

The fourth proportional to 4,277.84, 6,408.40 and 2,812.56 is: 4,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.84 : 6,408.40 = 2,812.56 : x
  2. Step 2: Convert to fraction form
    4,277.84/6,408.40 = 2,812.56/x
  3. Step 3: Cross multiply
    4,277.84x = 6,408.40 × 2,812.56
  4. Step 4: Simplify right side
    4,277.84x = 18,024,009.50
  5. Step 5: Solve for x
    x = 18,024,009.50/4,277.84
  6. Step 6: Final answer
    x = 4,213.34

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1.5x scale

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.