Home / 6,277.70-8,663.31-3,483.20

Finding the Fourth Proportional to 6,277.70, 8,663.31 and 3,483.20

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Solution

The fourth proportional to 6,277.70, 8,663.31 and 3,483.20 is: 4,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.70 : 8,663.31 = 3,483.20 : x
  2. Step 2: Convert to fraction form
    6,277.70/8,663.31 = 3,483.20/x
  3. Step 3: Cross multiply
    6,277.70x = 8,663.31 × 3,483.20
  4. Step 4: Simplify right side
    6,277.70x = 30,175,998.08
  5. Step 5: Solve for x
    x = 30,175,998.08/6,277.70
  6. Step 6: Final answer
    x = 4,806.86

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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.