Home / 6,271.69-8,654.80-3,439.07

Finding the Fourth Proportional to 6,271.69, 8,654.80 and 3,439.07

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Solution

The fourth proportional to 6,271.69, 8,654.80 and 3,439.07 is: 4,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.69 : 8,654.80 = 3,439.07 : x
  2. Step 2: Convert to fraction form
    6,271.69/8,654.80 = 3,439.07/x
  3. Step 3: Cross multiply
    6,271.69x = 8,654.80 × 3,439.07
  4. Step 4: Simplify right side
    6,271.69x = 29,764,463.04
  5. Step 5: Solve for x
    x = 29,764,463.04/6,271.69
  6. Step 6: Final answer
    x = 4,745.84

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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.