Home / 5,611.44-8,417.20-1,715.92

Finding the Fourth Proportional to 5,611.44, 8,417.20 and 1,715.92

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Solution

The fourth proportional to 5,611.44, 8,417.20 and 1,715.92 is: 2,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.44 : 8,417.20 = 1,715.92 : x
  2. Step 2: Convert to fraction form
    5,611.44/8,417.20 = 1,715.92/x
  3. Step 3: Cross multiply
    5,611.44x = 8,417.20 × 1,715.92
  4. Step 4: Simplify right side
    5,611.44x = 14,443,241.82
  5. Step 5: Solve for x
    x = 14,443,241.82/5,611.44
  6. Step 6: Final answer
    x = 2,573.89

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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.