Home / 8,678.86-13,016.64-4,232.06

Finding the Fourth Proportional to 8,678.86, 13,016.64 and 4,232.06

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Solution

The fourth proportional to 8,678.86, 13,016.64 and 4,232.06 is: 6,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.86 : 13,016.64 = 4,232.06 : x
  2. Step 2: Convert to fraction form
    8,678.86/13,016.64 = 4,232.06/x
  3. Step 3: Cross multiply
    8,678.86x = 13,016.64 × 4,232.06
  4. Step 4: Simplify right side
    8,678.86x = 55,087,201.48
  5. Step 5: Solve for x
    x = 55,087,201.48/8,678.86
  6. Step 6: Final answer
    x = 6,347.29

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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.