Home / 4,308.36-6,465.06-1,999.86

Finding the Fourth Proportional to 4,308.36, 6,465.06 and 1,999.86

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Solution

The fourth proportional to 4,308.36, 6,465.06 and 1,999.86 is: 3,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.36 : 6,465.06 = 1,999.86 : x
  2. Step 2: Convert to fraction form
    4,308.36/6,465.06 = 1,999.86/x
  3. Step 3: Cross multiply
    4,308.36x = 6,465.06 × 1,999.86
  4. Step 4: Simplify right side
    4,308.36x = 12,929,214.89
  5. Step 5: Solve for x
    x = 12,929,214.89/4,308.36
  6. Step 6: Final answer
    x = 3,000.96

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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.