Home / 6,512.18-8,986.80-3,528.09

Finding the Fourth Proportional to 6,512.18, 8,986.80 and 3,528.09

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Solution

The fourth proportional to 6,512.18, 8,986.80 and 3,528.09 is: 4,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.18 : 8,986.80 = 3,528.09 : x
  2. Step 2: Convert to fraction form
    6,512.18/8,986.80 = 3,528.09/x
  3. Step 3: Cross multiply
    6,512.18x = 8,986.80 × 3,528.09
  4. Step 4: Simplify right side
    6,512.18x = 31,706,232.60
  5. Step 5: Solve for x
    x = 31,706,232.60/6,512.18
  6. Step 6: Final answer
    x = 4,868.76

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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.