Home / 5,829.30-8,045.15-3,312.21

Finding the Fourth Proportional to 5,829.30, 8,045.15 and 3,312.21

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Solution

The fourth proportional to 5,829.30, 8,045.15 and 3,312.21 is: 4,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.30 : 8,045.15 = 3,312.21 : x
  2. Step 2: Convert to fraction form
    5,829.30/8,045.15 = 3,312.21/x
  3. Step 3: Cross multiply
    5,829.30x = 8,045.15 × 3,312.21
  4. Step 4: Simplify right side
    5,829.30x = 26,647,209.72
  5. Step 5: Solve for x
    x = 26,647,209.72/5,829.30
  6. Step 6: Final answer
    x = 4,571.25

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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.