Home / 5,461.30-8,196.18-3,611.80

Finding the Fourth Proportional to 5,461.30, 8,196.18 and 3,611.80

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Solution

The fourth proportional to 5,461.30, 8,196.18 and 3,611.80 is: 5,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.30 : 8,196.18 = 3,611.80 : x
  2. Step 2: Convert to fraction form
    5,461.30/8,196.18 = 3,611.80/x
  3. Step 3: Cross multiply
    5,461.30x = 8,196.18 × 3,611.80
  4. Step 4: Simplify right side
    5,461.30x = 29,602,962.92
  5. Step 5: Solve for x
    x = 29,602,962.92/5,461.30
  6. Step 6: Final answer
    x = 5,420.50

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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.