Home / 8,083.16-12,124.98-3,152.60

Finding the Fourth Proportional to 8,083.16, 12,124.98 and 3,152.60

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Solution

The fourth proportional to 8,083.16, 12,124.98 and 3,152.60 is: 4,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.16 : 12,124.98 = 3,152.60 : x
  2. Step 2: Convert to fraction form
    8,083.16/12,124.98 = 3,152.60/x
  3. Step 3: Cross multiply
    8,083.16x = 12,124.98 × 3,152.60
  4. Step 4: Simplify right side
    8,083.16x = 38,225,211.95
  5. Step 5: Solve for x
    x = 38,225,211.95/8,083.16
  6. Step 6: Final answer
    x = 4,728.99

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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.