Home / 5,715.29-8,573.41-2,205.15

Finding the Fourth Proportional to 5,715.29, 8,573.41 and 2,205.15

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Solution

The fourth proportional to 5,715.29, 8,573.41 and 2,205.15 is: 3,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.29 : 8,573.41 = 2,205.15 : x
  2. Step 2: Convert to fraction form
    5,715.29/8,573.41 = 2,205.15/x
  3. Step 3: Cross multiply
    5,715.29x = 8,573.41 × 2,205.15
  4. Step 4: Simplify right side
    5,715.29x = 18,905,673.89
  5. Step 5: Solve for x
    x = 18,905,673.89/5,715.29
  6. Step 6: Final answer
    x = 3,307.91

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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.