Home / 5,378.58-8,055.96-4,136.88

Finding the Fourth Proportional to 5,378.58, 8,055.96 and 4,136.88

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Solution

The fourth proportional to 5,378.58, 8,055.96 and 4,136.88 is: 6,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.58 : 8,055.96 = 4,136.88 : x
  2. Step 2: Convert to fraction form
    5,378.58/8,055.96 = 4,136.88/x
  3. Step 3: Cross multiply
    5,378.58x = 8,055.96 × 4,136.88
  4. Step 4: Simplify right side
    5,378.58x = 33,326,539.80
  5. Step 5: Solve for x
    x = 33,326,539.80/5,378.58
  6. Step 6: Final answer
    x = 6,196.16

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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.