Home / 4,326.39-6,489.99-1,403.91

Finding the Fourth Proportional to 4,326.39, 6,489.99 and 1,403.91

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Solution

The fourth proportional to 4,326.39, 6,489.99 and 1,403.91 is: 2,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.39 : 6,489.99 = 1,403.91 : x
  2. Step 2: Convert to fraction form
    4,326.39/6,489.99 = 1,403.91/x
  3. Step 3: Cross multiply
    4,326.39x = 6,489.99 × 1,403.91
  4. Step 4: Simplify right side
    4,326.39x = 9,111,361.86
  5. Step 5: Solve for x
    x = 9,111,361.86/4,326.39
  6. Step 6: Final answer
    x = 2,106.00

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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.