Home / 5,829.88-8,045.42-3,312.08

Finding the Fourth Proportional to 5,829.88, 8,045.42 and 3,312.08

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Solution

The fourth proportional to 5,829.88, 8,045.42 and 3,312.08 is: 4,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.88 : 8,045.42 = 3,312.08 : x
  2. Step 2: Convert to fraction form
    5,829.88/8,045.42 = 3,312.08/x
  3. Step 3: Cross multiply
    5,829.88x = 8,045.42 × 3,312.08
  4. Step 4: Simplify right side
    5,829.88x = 26,647,074.67
  5. Step 5: Solve for x
    x = 26,647,074.67/5,829.88
  6. Step 6: Final answer
    x = 4,570.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.