Home / 8,160.12-12,208.14-6,297.16

Finding the Fourth Proportional to 8,160.12, 12,208.14 and 6,297.16

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Solution

The fourth proportional to 8,160.12, 12,208.14 and 6,297.16 is: 9,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.12 : 12,208.14 = 6,297.16 : x
  2. Step 2: Convert to fraction form
    8,160.12/12,208.14 = 6,297.16/x
  3. Step 3: Cross multiply
    8,160.12x = 12,208.14 × 6,297.16
  4. Step 4: Simplify right side
    8,160.12x = 76,876,610.88
  5. Step 5: Solve for x
    x = 76,876,610.88/8,160.12
  6. Step 6: Final answer
    x = 9,421.01

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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.