Home / 4,488.82-6,688.12-4,237.31

Finding the Fourth Proportional to 4,488.82, 6,688.12 and 4,237.31

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Solution

The fourth proportional to 4,488.82, 6,688.12 and 4,237.31 is: 6,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.82 : 6,688.12 = 4,237.31 : x
  2. Step 2: Convert to fraction form
    4,488.82/6,688.12 = 4,237.31/x
  3. Step 3: Cross multiply
    4,488.82x = 6,688.12 × 4,237.31
  4. Step 4: Simplify right side
    4,488.82x = 28,339,651.83
  5. Step 5: Solve for x
    x = 28,339,651.83/4,488.82
  6. Step 6: Final answer
    x = 6,313.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.