Home / 4,099.30-6,147.58-1,325.23

Finding the Fourth Proportional to 4,099.30, 6,147.58 and 1,325.23

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Solution

The fourth proportional to 4,099.30, 6,147.58 and 1,325.23 is: 1,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.30 : 6,147.58 = 1,325.23 : x
  2. Step 2: Convert to fraction form
    4,099.30/6,147.58 = 1,325.23/x
  3. Step 3: Cross multiply
    4,099.30x = 6,147.58 × 1,325.23
  4. Step 4: Simplify right side
    4,099.30x = 8,146,941.25
  5. Step 5: Solve for x
    x = 8,146,941.25/4,099.30
  6. Step 6: Final answer
    x = 1,987.40

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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.