Home / 4,321.80-6,483.73-1,400.10

Finding the Fourth Proportional to 4,321.80, 6,483.73 and 1,400.10

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Solution

The fourth proportional to 4,321.80, 6,483.73 and 1,400.10 is: 2,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.80 : 6,483.73 = 1,400.10 : x
  2. Step 2: Convert to fraction form
    4,321.80/6,483.73 = 1,400.10/x
  3. Step 3: Cross multiply
    4,321.80x = 6,483.73 × 1,400.10
  4. Step 4: Simplify right side
    4,321.80x = 9,077,866.87
  5. Step 5: Solve for x
    x = 9,077,866.87/4,321.80
  6. Step 6: Final answer
    x = 2,100.48

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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.