Home / 4,099.80-6,155.47-2,099.93

Finding the Fourth Proportional to 4,099.80, 6,155.47 and 2,099.93

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Solution

The fourth proportional to 4,099.80, 6,155.47 and 2,099.93 is: 3,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.80 : 6,155.47 = 2,099.93 : x
  2. Step 2: Convert to fraction form
    4,099.80/6,155.47 = 2,099.93/x
  3. Step 3: Cross multiply
    4,099.80x = 6,155.47 × 2,099.93
  4. Step 4: Simplify right side
    4,099.80x = 12,926,064.11
  5. Step 5: Solve for x
    x = 12,926,064.11/4,099.80
  6. Step 6: Final answer
    x = 3,152.85

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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.