Home / 5,878.58-8,817.39-1,718.62

Finding the Fourth Proportional to 5,878.58, 8,817.39 and 1,718.62

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Solution

The fourth proportional to 5,878.58, 8,817.39 and 1,718.62 is: 2,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.58 : 8,817.39 = 1,718.62 : x
  2. Step 2: Convert to fraction form
    5,878.58/8,817.39 = 1,718.62/x
  3. Step 3: Cross multiply
    5,878.58x = 8,817.39 × 1,718.62
  4. Step 4: Simplify right side
    5,878.58x = 15,153,720.76
  5. Step 5: Solve for x
    x = 15,153,720.76/5,878.58
  6. Step 6: Final answer
    x = 2,577.79

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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.