Home / 5,915.61-8,162.64-3,524.85

Finding the Fourth Proportional to 5,915.61, 8,162.64 and 3,524.85

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Solution

The fourth proportional to 5,915.61, 8,162.64 and 3,524.85 is: 4,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.61 : 8,162.64 = 3,524.85 : x
  2. Step 2: Convert to fraction form
    5,915.61/8,162.64 = 3,524.85/x
  3. Step 3: Cross multiply
    5,915.61x = 8,162.64 × 3,524.85
  4. Step 4: Simplify right side
    5,915.61x = 28,772,081.60
  5. Step 5: Solve for x
    x = 28,772,081.60/5,915.61
  6. Step 6: Final answer
    x = 4,863.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.