Home / 8,668.89-11,963.07-4,690.02

Finding the Fourth Proportional to 8,668.89, 11,963.07 and 4,690.02

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Solution

The fourth proportional to 8,668.89, 11,963.07 and 4,690.02 is: 6,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.89 : 11,963.07 = 4,690.02 : x
  2. Step 2: Convert to fraction form
    8,668.89/11,963.07 = 4,690.02/x
  3. Step 3: Cross multiply
    8,668.89x = 11,963.07 × 4,690.02
  4. Step 4: Simplify right side
    8,668.89x = 56,107,037.56
  5. Step 5: Solve for x
    x = 56,107,037.56/8,668.89
  6. Step 6: Final answer
    x = 6,472.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.