Home / 6,625.08-9,140.61-3,971.52

Finding the Fourth Proportional to 6,625.08, 9,140.61 and 3,971.52

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Solution

The fourth proportional to 6,625.08, 9,140.61 and 3,971.52 is: 5,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.08 : 9,140.61 = 3,971.52 : x
  2. Step 2: Convert to fraction form
    6,625.08/9,140.61 = 3,971.52/x
  3. Step 3: Cross multiply
    6,625.08x = 9,140.61 × 3,971.52
  4. Step 4: Simplify right side
    6,625.08x = 36,302,069.72
  5. Step 5: Solve for x
    x = 36,302,069.72/6,625.08
  6. Step 6: Final answer
    x = 5,479.50

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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.