Home / 5,919.30-8,878.84-2,409.28

Finding the Fourth Proportional to 5,919.30, 8,878.84 and 2,409.28

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Solution

The fourth proportional to 5,919.30, 8,878.84 and 2,409.28 is: 3,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.30 : 8,878.84 = 2,409.28 : x
  2. Step 2: Convert to fraction form
    5,919.30/8,878.84 = 2,409.28/x
  3. Step 3: Cross multiply
    5,919.30x = 8,878.84 × 2,409.28
  4. Step 4: Simplify right side
    5,919.30x = 21,391,583.41
  5. Step 5: Solve for x
    x = 21,391,583.41/5,919.30
  6. Step 6: Final answer
    x = 3,613.87

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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.