Home / 5,715.90-8,573.31-2,941.11

Finding the Fourth Proportional to 5,715.90, 8,573.31 and 2,941.11

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Solution

The fourth proportional to 5,715.90, 8,573.31 and 2,941.11 is: 4,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.90 : 8,573.31 = 2,941.11 : x
  2. Step 2: Convert to fraction form
    5,715.90/8,573.31 = 2,941.11/x
  3. Step 3: Cross multiply
    5,715.90x = 8,573.31 × 2,941.11
  4. Step 4: Simplify right side
    5,715.90x = 25,215,047.77
  5. Step 5: Solve for x
    x = 25,215,047.77/5,715.90
  6. Step 6: Final answer
    x = 4,411.39

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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.