Home / 4,271.07-6,403.42-2,880.51

Finding the Fourth Proportional to 4,271.07, 6,403.42 and 2,880.51

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Solution

The fourth proportional to 4,271.07, 6,403.42 and 2,880.51 is: 4,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.07 : 6,403.42 = 2,880.51 : x
  2. Step 2: Convert to fraction form
    4,271.07/6,403.42 = 2,880.51/x
  3. Step 3: Cross multiply
    4,271.07x = 6,403.42 × 2,880.51
  4. Step 4: Simplify right side
    4,271.07x = 18,445,094.93
  5. Step 5: Solve for x
    x = 18,445,094.93/4,271.07
  6. Step 6: Final answer
    x = 4,318.61

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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.