Home / 6,281.87-8,668.33-3,630.13

Finding the Fourth Proportional to 6,281.87, 8,668.33 and 3,630.13

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Solution

The fourth proportional to 6,281.87, 8,668.33 and 3,630.13 is: 5,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.87 : 8,668.33 = 3,630.13 : x
  2. Step 2: Convert to fraction form
    6,281.87/8,668.33 = 3,630.13/x
  3. Step 3: Cross multiply
    6,281.87x = 8,668.33 × 3,630.13
  4. Step 4: Simplify right side
    6,281.87x = 31,467,164.78
  5. Step 5: Solve for x
    x = 31,467,164.78/6,281.87
  6. Step 6: Final answer
    x = 5,009.20

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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.