Home / 6,214.84-8,576.48-3,420.34

Finding the Fourth Proportional to 6,214.84, 8,576.48 and 3,420.34

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Solution

The fourth proportional to 6,214.84, 8,576.48 and 3,420.34 is: 4,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.84 : 8,576.48 = 3,420.34 : x
  2. Step 2: Convert to fraction form
    6,214.84/8,576.48 = 3,420.34/x
  3. Step 3: Cross multiply
    6,214.84x = 8,576.48 × 3,420.34
  4. Step 4: Simplify right side
    6,214.84x = 29,334,439.06
  5. Step 5: Solve for x
    x = 29,334,439.06/6,214.84
  6. Step 6: Final answer
    x = 4,720.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.