Home / 7,317.88-10,963.04-3,615.80

Finding the Fourth Proportional to 7,317.88, 10,963.04 and 3,615.80

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Solution

The fourth proportional to 7,317.88, 10,963.04 and 3,615.80 is: 5,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.88 : 10,963.04 = 3,615.80 : x
  2. Step 2: Convert to fraction form
    7,317.88/10,963.04 = 3,615.80/x
  3. Step 3: Cross multiply
    7,317.88x = 10,963.04 × 3,615.80
  4. Step 4: Simplify right side
    7,317.88x = 39,640,160.03
  5. Step 5: Solve for x
    x = 39,640,160.03/7,317.88
  6. Step 6: Final answer
    x = 5,416.89

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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.