Home / 9,638.76-13,305.38-6,504.04

Finding the Fourth Proportional to 9,638.76, 13,305.38 and 6,504.04

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Solution

The fourth proportional to 9,638.76, 13,305.38 and 6,504.04 is: 8,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.76 : 13,305.38 = 6,504.04 : x
  2. Step 2: Convert to fraction form
    9,638.76/13,305.38 = 6,504.04/x
  3. Step 3: Cross multiply
    9,638.76x = 13,305.38 × 6,504.04
  4. Step 4: Simplify right side
    9,638.76x = 86,538,723.74
  5. Step 5: Solve for x
    x = 86,538,723.74/9,638.76
  6. Step 6: Final answer
    x = 8,978.20

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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.