Home / 5,878.10-8,816.99-1,718.21

Finding the Fourth Proportional to 5,878.10, 8,816.99 and 1,718.21

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Solution

The fourth proportional to 5,878.10, 8,816.99 and 1,718.21 is: 2,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.10 : 8,816.99 = 1,718.21 : x
  2. Step 2: Convert to fraction form
    5,878.10/8,816.99 = 1,718.21/x
  3. Step 3: Cross multiply
    5,878.10x = 8,816.99 × 1,718.21
  4. Step 4: Simplify right side
    5,878.10x = 15,149,453.84
  5. Step 5: Solve for x
    x = 15,149,453.84/5,878.10
  6. Step 6: Final answer
    x = 2,577.27

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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.