Home / 6,214-8,575.35-3,381.40

Finding the Fourth Proportional to 6,214, 8,575.35 and 3,381.40

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Solution

The fourth proportional to 6,214, 8,575.35 and 3,381.40 is: 4,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214 : 8,575.35 = 3,381.40 : x
  2. Step 2: Convert to fraction form
    6,214/8,575.35 = 3,381.40/x
  3. Step 3: Cross multiply
    6,214x = 8,575.35 × 3,381.40
  4. Step 4: Simplify right side
    6,214x = 28,996,688.49
  5. Step 5: Solve for x
    x = 28,996,688.49/6,214
  6. Step 6: Final answer
    x = 4,666.35

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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.