Home / 4,573.50-6,861.40-1,286.60

Finding the Fourth Proportional to 4,573.50, 6,861.40 and 1,286.60

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Solution

The fourth proportional to 4,573.50, 6,861.40 and 1,286.60 is: 1,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.50 : 6,861.40 = 1,286.60 : x
  2. Step 2: Convert to fraction form
    4,573.50/6,861.40 = 1,286.60/x
  3. Step 3: Cross multiply
    4,573.50x = 6,861.40 × 1,286.60
  4. Step 4: Simplify right side
    4,573.50x = 8,827,877.24
  5. Step 5: Solve for x
    x = 8,827,877.24/4,573.50
  6. Step 6: Final answer
    x = 1,930.22

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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.