Home / 6,625.33-9,140.95-3,971.77

Finding the Fourth Proportional to 6,625.33, 9,140.95 and 3,971.77

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Solution

The fourth proportional to 6,625.33, 9,140.95 and 3,971.77 is: 5,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.33 : 9,140.95 = 3,971.77 : x
  2. Step 2: Convert to fraction form
    6,625.33/9,140.95 = 3,971.77/x
  3. Step 3: Cross multiply
    6,625.33x = 9,140.95 × 3,971.77
  4. Step 4: Simplify right side
    6,625.33x = 36,305,750.98
  5. Step 5: Solve for x
    x = 36,305,750.98/6,625.33
  6. Step 6: Final answer
    x = 5,479.84

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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.