Home / 6,515.31-8,988.96-3,682.32

Finding the Fourth Proportional to 6,515.31, 8,988.96 and 3,682.32

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Solution

The fourth proportional to 6,515.31, 8,988.96 and 3,682.32 is: 5,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.31 : 8,988.96 = 3,682.32 : x
  2. Step 2: Convert to fraction form
    6,515.31/8,988.96 = 3,682.32/x
  3. Step 3: Cross multiply
    6,515.31x = 8,988.96 × 3,682.32
  4. Step 4: Simplify right side
    6,515.31x = 33,100,227.19
  5. Step 5: Solve for x
    x = 33,100,227.19/6,515.31
  6. Step 6: Final answer
    x = 5,080.38

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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.