Home / 4,357.09-6,012.99-2,678.57

Finding the Fourth Proportional to 4,357.09, 6,012.99 and 2,678.57

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Solution

The fourth proportional to 4,357.09, 6,012.99 and 2,678.57 is: 3,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.09 : 6,012.99 = 2,678.57 : x
  2. Step 2: Convert to fraction form
    4,357.09/6,012.99 = 2,678.57/x
  3. Step 3: Cross multiply
    4,357.09x = 6,012.99 × 2,678.57
  4. Step 4: Simplify right side
    4,357.09x = 16,106,214.62
  5. Step 5: Solve for x
    x = 16,106,214.62/4,357.09
  6. Step 6: Final answer
    x = 3,696.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.