Home / 8,200.15-12,303.33-4,915.60

Finding the Fourth Proportional to 8,200.15, 12,303.33 and 4,915.60

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Solution

The fourth proportional to 8,200.15, 12,303.33 and 4,915.60 is: 7,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.15 : 12,303.33 = 4,915.60 : x
  2. Step 2: Convert to fraction form
    8,200.15/12,303.33 = 4,915.60/x
  3. Step 3: Cross multiply
    8,200.15x = 12,303.33 × 4,915.60
  4. Step 4: Simplify right side
    8,200.15x = 60,478,248.95
  5. Step 5: Solve for x
    x = 60,478,248.95/8,200.15
  6. Step 6: Final answer
    x = 7,375.26

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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.