Home / 4,651.58-6,419.18-2,555.70

Finding the Fourth Proportional to 4,651.58, 6,419.18 and 2,555.70

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Solution

The fourth proportional to 4,651.58, 6,419.18 and 2,555.70 is: 3,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.58 : 6,419.18 = 2,555.70 : x
  2. Step 2: Convert to fraction form
    4,651.58/6,419.18 = 2,555.70/x
  3. Step 3: Cross multiply
    4,651.58x = 6,419.18 × 2,555.70
  4. Step 4: Simplify right side
    4,651.58x = 16,405,516.01
  5. Step 5: Solve for x
    x = 16,405,516.01/4,651.58
  6. Step 6: Final answer
    x = 3,526.87

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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.