Home / 4,326.69-6,488.96-1,405.83

Finding the Fourth Proportional to 4,326.69, 6,488.96 and 1,405.83

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Solution

The fourth proportional to 4,326.69, 6,488.96 and 1,405.83 is: 2,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.69 : 6,488.96 = 1,405.83 : x
  2. Step 2: Convert to fraction form
    4,326.69/6,488.96 = 1,405.83/x
  3. Step 3: Cross multiply
    4,326.69x = 6,488.96 × 1,405.83
  4. Step 4: Simplify right side
    4,326.69x = 9,122,367.61
  5. Step 5: Solve for x
    x = 9,122,367.61/4,326.69
  6. Step 6: Final answer
    x = 2,108.39

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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.