Home / 4,557.84-6,288.66-2,788.80

Finding the Fourth Proportional to 4,557.84, 6,288.66 and 2,788.80

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Solution

The fourth proportional to 4,557.84, 6,288.66 and 2,788.80 is: 3,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.84 : 6,288.66 = 2,788.80 : x
  2. Step 2: Convert to fraction form
    4,557.84/6,288.66 = 2,788.80/x
  3. Step 3: Cross multiply
    4,557.84x = 6,288.66 × 2,788.80
  4. Step 4: Simplify right side
    4,557.84x = 17,537,815.01
  5. Step 5: Solve for x
    x = 17,537,815.01/4,557.84
  6. Step 6: Final answer
    x = 3,847.83

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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.