Home / 8,632.09-12,938.84-4,180.33

Finding the Fourth Proportional to 8,632.09, 12,938.84 and 4,180.33

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Solution

The fourth proportional to 8,632.09, 12,938.84 and 4,180.33 is: 6,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.09 : 12,938.84 = 4,180.33 : x
  2. Step 2: Convert to fraction form
    8,632.09/12,938.84 = 4,180.33/x
  3. Step 3: Cross multiply
    8,632.09x = 12,938.84 × 4,180.33
  4. Step 4: Simplify right side
    8,632.09x = 54,088,668.36
  5. Step 5: Solve for x
    x = 54,088,668.36/8,632.09
  6. Step 6: Final answer
    x = 6,266.00

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1.5x scale

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.