Home / 6,878.06-9,491.14-4,045.54

Finding the Fourth Proportional to 6,878.06, 9,491.14 and 4,045.54

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Solution

The fourth proportional to 6,878.06, 9,491.14 and 4,045.54 is: 5,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.06 : 9,491.14 = 4,045.54 : x
  2. Step 2: Convert to fraction form
    6,878.06/9,491.14 = 4,045.54/x
  3. Step 3: Cross multiply
    6,878.06x = 9,491.14 × 4,045.54
  4. Step 4: Simplify right side
    6,878.06x = 38,396,786.52
  5. Step 5: Solve for x
    x = 38,396,786.52/6,878.06
  6. Step 6: Final answer
    x = 5,582.50

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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.