Home / 4,690.53-7,033.20-1,919.15

Finding the Fourth Proportional to 4,690.53, 7,033.20 and 1,919.15

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Solution

The fourth proportional to 4,690.53, 7,033.20 and 1,919.15 is: 2,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.53 : 7,033.20 = 1,919.15 : x
  2. Step 2: Convert to fraction form
    4,690.53/7,033.20 = 1,919.15/x
  3. Step 3: Cross multiply
    4,690.53x = 7,033.20 × 1,919.15
  4. Step 4: Simplify right side
    4,690.53x = 13,497,730.61
  5. Step 5: Solve for x
    x = 13,497,730.61/4,690.53
  6. Step 6: Final answer
    x = 2,877.66

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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.