Home / 6,222.81-8,587.48-3,428.31

Finding the Fourth Proportional to 6,222.81, 8,587.48 and 3,428.31

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Solution

The fourth proportional to 6,222.81, 8,587.48 and 3,428.31 is: 4,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.81 : 8,587.48 = 3,428.31 : x
  2. Step 2: Convert to fraction form
    6,222.81/8,587.48 = 3,428.31/x
  3. Step 3: Cross multiply
    6,222.81x = 8,587.48 × 3,428.31
  4. Step 4: Simplify right side
    6,222.81x = 29,440,543.56
  5. Step 5: Solve for x
    x = 29,440,543.56/6,222.81
  6. Step 6: Final answer
    x = 4,731.07

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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.