Home / 4,099.86-6,148.42-1,325.79

Finding the Fourth Proportional to 4,099.86, 6,148.42 and 1,325.79

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Solution

The fourth proportional to 4,099.86, 6,148.42 and 1,325.79 is: 1,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.86 : 6,148.42 = 1,325.79 : x
  2. Step 2: Convert to fraction form
    4,099.86/6,148.42 = 1,325.79/x
  3. Step 3: Cross multiply
    4,099.86x = 6,148.42 × 1,325.79
  4. Step 4: Simplify right side
    4,099.86x = 8,151,510.44
  5. Step 5: Solve for x
    x = 8,151,510.44/4,099.86
  6. Step 6: Final answer
    x = 1,988.24

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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.