Home / 5,557.58-8,334.63-1,858.95

Finding the Fourth Proportional to 5,557.58, 8,334.63 and 1,858.95

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Solution

The fourth proportional to 5,557.58, 8,334.63 and 1,858.95 is: 2,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.58 : 8,334.63 = 1,858.95 : x
  2. Step 2: Convert to fraction form
    5,557.58/8,334.63 = 1,858.95/x
  3. Step 3: Cross multiply
    5,557.58x = 8,334.63 × 1,858.95
  4. Step 4: Simplify right side
    5,557.58x = 15,493,660.44
  5. Step 5: Solve for x
    x = 15,493,660.44/5,557.58
  6. Step 6: Final answer
    x = 2,787.84

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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.