Home / 6,148.56-9,221.70-2,639.19

Finding the Fourth Proportional to 6,148.56, 9,221.70 and 2,639.19

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Solution

The fourth proportional to 6,148.56, 9,221.70 and 2,639.19 is: 3,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.56 : 9,221.70 = 2,639.19 : x
  2. Step 2: Convert to fraction form
    6,148.56/9,221.70 = 2,639.19/x
  3. Step 3: Cross multiply
    6,148.56x = 9,221.70 × 2,639.19
  4. Step 4: Simplify right side
    6,148.56x = 24,337,818.42
  5. Step 5: Solve for x
    x = 24,337,818.42/6,148.56
  6. Step 6: Final answer
    x = 3,958.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.