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Finding the Fourth Proportional to 6,599.62, 9,900.95 and 1,919.74

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Solution

The fourth proportional to 6,599.62, 9,900.95 and 1,919.74 is: 2,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.62 : 9,900.95 = 1,919.74 : x
  2. Step 2: Convert to fraction form
    6,599.62/9,900.95 = 1,919.74/x
  3. Step 3: Cross multiply
    6,599.62x = 9,900.95 × 1,919.74
  4. Step 4: Simplify right side
    6,599.62x = 19,007,205.05
  5. Step 5: Solve for x
    x = 19,007,205.05/6,599.62
  6. Step 6: Final answer
    x = 2,880.05

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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.