Home / 6,281.88-8,668.40-3,628.93

Finding the Fourth Proportional to 6,281.88, 8,668.40 and 3,628.93

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Solution

The fourth proportional to 6,281.88, 8,668.40 and 3,628.93 is: 5,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.88 : 8,668.40 = 3,628.93 : x
  2. Step 2: Convert to fraction form
    6,281.88/8,668.40 = 3,628.93/x
  3. Step 3: Cross multiply
    6,281.88x = 8,668.40 × 3,628.93
  4. Step 4: Simplify right side
    6,281.88x = 31,457,016.81
  5. Step 5: Solve for x
    x = 31,457,016.81/6,281.88
  6. Step 6: Final answer
    x = 5,007.58

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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.