Home / 6,511.35-8,985.69-3,527.18

Finding the Fourth Proportional to 6,511.35, 8,985.69 and 3,527.18

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Solution

The fourth proportional to 6,511.35, 8,985.69 and 3,527.18 is: 4,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.35 : 8,985.69 = 3,527.18 : x
  2. Step 2: Convert to fraction form
    6,511.35/8,985.69 = 3,527.18/x
  3. Step 3: Cross multiply
    6,511.35x = 8,985.69 × 3,527.18
  4. Step 4: Simplify right side
    6,511.35x = 31,694,083.49
  5. Step 5: Solve for x
    x = 31,694,083.49/6,511.35
  6. Step 6: Final answer
    x = 4,867.51

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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.