Home / 7,915.86-11,872.04-3,530.52

Finding the Fourth Proportional to 7,915.86, 11,872.04 and 3,530.52

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Solution

The fourth proportional to 7,915.86, 11,872.04 and 3,530.52 is: 5,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.86 : 11,872.04 = 3,530.52 : x
  2. Step 2: Convert to fraction form
    7,915.86/11,872.04 = 3,530.52/x
  3. Step 3: Cross multiply
    7,915.86x = 11,872.04 × 3,530.52
  4. Step 4: Simplify right side
    7,915.86x = 41,914,457.01
  5. Step 5: Solve for x
    x = 41,914,457.01/7,915.86
  6. Step 6: Final answer
    x = 5,295.00

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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.