Home / 8,915.06-13,363.78-4,226.84

Finding the Fourth Proportional to 8,915.06, 13,363.78 and 4,226.84

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Solution

The fourth proportional to 8,915.06, 13,363.78 and 4,226.84 is: 6,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.06 : 13,363.78 = 4,226.84 : x
  2. Step 2: Convert to fraction form
    8,915.06/13,363.78 = 4,226.84/x
  3. Step 3: Cross multiply
    8,915.06x = 13,363.78 × 4,226.84
  4. Step 4: Simplify right side
    8,915.06x = 56,486,559.86
  5. Step 5: Solve for x
    x = 56,486,559.86/8,915.06
  6. Step 6: Final answer
    x = 6,336.08

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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.