Home / 8,586.46-12,874.75-4,578.90

Finding the Fourth Proportional to 8,586.46, 12,874.75 and 4,578.90

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Solution

The fourth proportional to 8,586.46, 12,874.75 and 4,578.90 is: 6,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.46 : 12,874.75 = 4,578.90 : x
  2. Step 2: Convert to fraction form
    8,586.46/12,874.75 = 4,578.90/x
  3. Step 3: Cross multiply
    8,586.46x = 12,874.75 × 4,578.90
  4. Step 4: Simplify right side
    8,586.46x = 58,952,192.78
  5. Step 5: Solve for x
    x = 58,952,192.78/8,586.46
  6. Step 6: Final answer
    x = 6,865.72

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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.