Home / 4,555.42-6,286.95-2,788.20

Finding the Fourth Proportional to 4,555.42, 6,286.95 and 2,788.20

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Solution

The fourth proportional to 4,555.42, 6,286.95 and 2,788.20 is: 3,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.42 : 6,286.95 = 2,788.20 : x
  2. Step 2: Convert to fraction form
    4,555.42/6,286.95 = 2,788.20/x
  3. Step 3: Cross multiply
    4,555.42x = 6,286.95 × 2,788.20
  4. Step 4: Simplify right side
    4,555.42x = 17,529,273.99
  5. Step 5: Solve for x
    x = 17,529,273.99/4,555.42
  6. Step 6: Final answer
    x = 3,848.01

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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.