Home / 6,501.75-8,968.77-3,985.08

Finding the Fourth Proportional to 6,501.75, 8,968.77 and 3,985.08

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Solution

The fourth proportional to 6,501.75, 8,968.77 and 3,985.08 is: 5,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.75 : 8,968.77 = 3,985.08 : x
  2. Step 2: Convert to fraction form
    6,501.75/8,968.77 = 3,985.08/x
  3. Step 3: Cross multiply
    6,501.75x = 8,968.77 × 3,985.08
  4. Step 4: Simplify right side
    6,501.75x = 35,741,265.95
  5. Step 5: Solve for x
    x = 35,741,265.95/6,501.75
  6. Step 6: Final answer
    x = 5,497.18

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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.