Home / 6,513.22-9,761.40-4,172.32

Finding the Fourth Proportional to 6,513.22, 9,761.40 and 4,172.32

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Solution

The fourth proportional to 6,513.22, 9,761.40 and 4,172.32 is: 6,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.22 : 9,761.40 = 4,172.32 : x
  2. Step 2: Convert to fraction form
    6,513.22/9,761.40 = 4,172.32/x
  3. Step 3: Cross multiply
    6,513.22x = 9,761.40 × 4,172.32
  4. Step 4: Simplify right side
    6,513.22x = 40,727,684.45
  5. Step 5: Solve for x
    x = 40,727,684.45/6,513.22
  6. Step 6: Final answer
    x = 6,253.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.