Home / 8,685.08-11,985.48-6,692

Finding the Fourth Proportional to 8,685.08, 11,985.48 and 6,692

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Solution

The fourth proportional to 8,685.08, 11,985.48 and 6,692 is: 9,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.08 : 11,985.48 = 6,692 : x
  2. Step 2: Convert to fraction form
    8,685.08/11,985.48 = 6,692/x
  3. Step 3: Cross multiply
    8,685.08x = 11,985.48 × 6,692
  4. Step 4: Simplify right side
    8,685.08x = 80,206,832.16
  5. Step 5: Solve for x
    x = 80,206,832.16/8,685.08
  6. Step 6: Final answer
    x = 9,235.01

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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.