Home / 4,690.79-7,033.59-1,919.41

Finding the Fourth Proportional to 4,690.79, 7,033.59 and 1,919.41

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Solution

The fourth proportional to 4,690.79, 7,033.59 and 1,919.41 is: 2,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.79 : 7,033.59 = 1,919.41 : x
  2. Step 2: Convert to fraction form
    4,690.79/7,033.59 = 1,919.41/x
  3. Step 3: Cross multiply
    4,690.79x = 7,033.59 × 1,919.41
  4. Step 4: Simplify right side
    4,690.79x = 13,500,298.22
  5. Step 5: Solve for x
    x = 13,500,298.22/4,690.79
  6. Step 6: Final answer
    x = 2,878.04

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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.