Home / 8,157.69-11,252.33-5,604.23

Finding the Fourth Proportional to 8,157.69, 11,252.33 and 5,604.23

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Solution

The fourth proportional to 8,157.69, 11,252.33 and 5,604.23 is: 7,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.69 : 11,252.33 = 5,604.23 : x
  2. Step 2: Convert to fraction form
    8,157.69/11,252.33 = 5,604.23/x
  3. Step 3: Cross multiply
    8,157.69x = 11,252.33 × 5,604.23
  4. Step 4: Simplify right side
    8,157.69x = 63,060,589.09
  5. Step 5: Solve for x
    x = 63,060,589.09/8,157.69
  6. Step 6: Final answer
    x = 7,730.21

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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.