Home / 8,579.55-12,874.23-4,630.80

Finding the Fourth Proportional to 8,579.55, 12,874.23 and 4,630.80

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Solution

The fourth proportional to 8,579.55, 12,874.23 and 4,630.80 is: 6,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.55 : 12,874.23 = 4,630.80 : x
  2. Step 2: Convert to fraction form
    8,579.55/12,874.23 = 4,630.80/x
  3. Step 3: Cross multiply
    8,579.55x = 12,874.23 × 4,630.80
  4. Step 4: Simplify right side
    8,579.55x = 59,617,984.28
  5. Step 5: Solve for x
    x = 59,617,984.28/8,579.55
  6. Step 6: Final answer
    x = 6,948.85

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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.