Home / 5,598.21-8,387.58-3,928.80

Finding the Fourth Proportional to 5,598.21, 8,387.58 and 3,928.80

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Solution

The fourth proportional to 5,598.21, 8,387.58 and 3,928.80 is: 5,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.21 : 8,387.58 = 3,928.80 : x
  2. Step 2: Convert to fraction form
    5,598.21/8,387.58 = 3,928.80/x
  3. Step 3: Cross multiply
    5,598.21x = 8,387.58 × 3,928.80
  4. Step 4: Simplify right side
    5,598.21x = 32,953,124.30
  5. Step 5: Solve for x
    x = 32,953,124.30/5,598.21
  6. Step 6: Final answer
    x = 5,886.37

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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.