Home / 6,498.18-9,748.81-2,115.64

Finding the Fourth Proportional to 6,498.18, 9,748.81 and 2,115.64

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Solution

The fourth proportional to 6,498.18, 9,748.81 and 2,115.64 is: 3,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498.18 : 9,748.81 = 2,115.64 : x
  2. Step 2: Convert to fraction form
    6,498.18/9,748.81 = 2,115.64/x
  3. Step 3: Cross multiply
    6,498.18x = 9,748.81 × 2,115.64
  4. Step 4: Simplify right side
    6,498.18x = 20,624,972.39
  5. Step 5: Solve for x
    x = 20,624,972.39/6,498.18
  6. Step 6: Final answer
    x = 3,173.96

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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.