Home / 8,265.69-11,407.74-4,728.21

Finding the Fourth Proportional to 8,265.69, 11,407.74 and 4,728.21

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Solution

The fourth proportional to 8,265.69, 11,407.74 and 4,728.21 is: 6,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.69 : 11,407.74 = 4,728.21 : x
  2. Step 2: Convert to fraction form
    8,265.69/11,407.74 = 4,728.21/x
  3. Step 3: Cross multiply
    8,265.69x = 11,407.74 × 4,728.21
  4. Step 4: Simplify right side
    8,265.69x = 53,938,190.35
  5. Step 5: Solve for x
    x = 53,938,190.35/8,265.69
  6. Step 6: Final answer
    x = 6,525.55

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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.