Home / 6,222.84-8,587.35-3,428.34

Finding the Fourth Proportional to 6,222.84, 8,587.35 and 3,428.34

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Solution

The fourth proportional to 6,222.84, 8,587.35 and 3,428.34 is: 4,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.84 : 8,587.35 = 3,428.34 : x
  2. Step 2: Convert to fraction form
    6,222.84/8,587.35 = 3,428.34/x
  3. Step 3: Cross multiply
    6,222.84x = 8,587.35 × 3,428.34
  4. Step 4: Simplify right side
    6,222.84x = 29,440,355.50
  5. Step 5: Solve for x
    x = 29,440,355.50/6,222.84
  6. Step 6: Final answer
    x = 4,731.02

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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.