Home / 4,341.25-6,509.58-1,999.21

Finding the Fourth Proportional to 4,341.25, 6,509.58 and 1,999.21

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Solution

The fourth proportional to 4,341.25, 6,509.58 and 1,999.21 is: 2,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.25 : 6,509.58 = 1,999.21 : x
  2. Step 2: Convert to fraction form
    4,341.25/6,509.58 = 1,999.21/x
  3. Step 3: Cross multiply
    4,341.25x = 6,509.58 × 1,999.21
  4. Step 4: Simplify right side
    4,341.25x = 13,014,017.43
  5. Step 5: Solve for x
    x = 13,014,017.43/4,341.25
  6. Step 6: Final answer
    x = 2,997.76

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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.