Home / 4,619.69-6,929.52-1,332.80

Finding the Fourth Proportional to 4,619.69, 6,929.52 and 1,332.80

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Solution

The fourth proportional to 4,619.69, 6,929.52 and 1,332.80 is: 1,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.69 : 6,929.52 = 1,332.80 : x
  2. Step 2: Convert to fraction form
    4,619.69/6,929.52 = 1,332.80/x
  3. Step 3: Cross multiply
    4,619.69x = 6,929.52 × 1,332.80
  4. Step 4: Simplify right side
    4,619.69x = 9,235,629.61
  5. Step 5: Solve for x
    x = 9,235,629.61/4,619.69
  6. Step 6: Final answer
    x = 1,999.19

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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.