Home / 5,611.17-8,416.45-1,715.58

Finding the Fourth Proportional to 5,611.17, 8,416.45 and 1,715.58

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Solution

The fourth proportional to 5,611.17, 8,416.45 and 1,715.58 is: 2,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.17 : 8,416.45 = 1,715.58 : x
  2. Step 2: Convert to fraction form
    5,611.17/8,416.45 = 1,715.58/x
  3. Step 3: Cross multiply
    5,611.17x = 8,416.45 × 1,715.58
  4. Step 4: Simplify right side
    5,611.17x = 14,439,093.29
  5. Step 5: Solve for x
    x = 14,439,093.29/5,611.17
  6. Step 6: Final answer
    x = 2,573.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.