Home / 5,628.61-7,767.25-3,270.57

Finding the Fourth Proportional to 5,628.61, 7,767.25 and 3,270.57

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Solution

The fourth proportional to 5,628.61, 7,767.25 and 3,270.57 is: 4,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.61 : 7,767.25 = 3,270.57 : x
  2. Step 2: Convert to fraction form
    5,628.61/7,767.25 = 3,270.57/x
  3. Step 3: Cross multiply
    5,628.61x = 7,767.25 × 3,270.57
  4. Step 4: Simplify right side
    5,628.61x = 25,403,334.83
  5. Step 5: Solve for x
    x = 25,403,334.83/5,628.61
  6. Step 6: Final answer
    x = 4,513.25

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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.