Home / 4,845.40-7,271.71-1,884.31

Finding the Fourth Proportional to 4,845.40, 7,271.71 and 1,884.31

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Solution

The fourth proportional to 4,845.40, 7,271.71 and 1,884.31 is: 2,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.40 : 7,271.71 = 1,884.31 : x
  2. Step 2: Convert to fraction form
    4,845.40/7,271.71 = 1,884.31/x
  3. Step 3: Cross multiply
    4,845.40x = 7,271.71 × 1,884.31
  4. Step 4: Simplify right side
    4,845.40x = 13,702,155.87
  5. Step 5: Solve for x
    x = 13,702,155.87/4,845.40
  6. Step 6: Final answer
    x = 2,827.87

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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.