Home / 5,611.84-8,417.45-1,715.94

Finding the Fourth Proportional to 5,611.84, 8,417.45 and 1,715.94

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Solution

The fourth proportional to 5,611.84, 8,417.45 and 1,715.94 is: 2,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.84 : 8,417.45 = 1,715.94 : x
  2. Step 2: Convert to fraction form
    5,611.84/8,417.45 = 1,715.94/x
  3. Step 3: Cross multiply
    5,611.84x = 8,417.45 × 1,715.94
  4. Step 4: Simplify right side
    5,611.84x = 14,443,839.15
  5. Step 5: Solve for x
    x = 14,443,839.15/5,611.84
  6. Step 6: Final answer
    x = 2,573.82

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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.