Home / 6,508.79-9,768.35-3,389.68

Finding the Fourth Proportional to 6,508.79, 9,768.35 and 3,389.68

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Solution

The fourth proportional to 6,508.79, 9,768.35 and 3,389.68 is: 5,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.79 : 9,768.35 = 3,389.68 : x
  2. Step 2: Convert to fraction form
    6,508.79/9,768.35 = 3,389.68/x
  3. Step 3: Cross multiply
    6,508.79x = 9,768.35 × 3,389.68
  4. Step 4: Simplify right side
    6,508.79x = 33,111,580.63
  5. Step 5: Solve for x
    x = 33,111,580.63/6,508.79
  6. Step 6: Final answer
    x = 5,087.21

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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.