Home / 8,525.41-11,780.32-6,641.86

Finding the Fourth Proportional to 8,525.41, 11,780.32 and 6,641.86

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Solution

The fourth proportional to 8,525.41, 11,780.32 and 6,641.86 is: 9,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.41 : 11,780.32 = 6,641.86 : x
  2. Step 2: Convert to fraction form
    8,525.41/11,780.32 = 6,641.86/x
  3. Step 3: Cross multiply
    8,525.41x = 11,780.32 × 6,641.86
  4. Step 4: Simplify right side
    8,525.41x = 78,243,177.29
  5. Step 5: Solve for x
    x = 78,243,177.29/8,525.41
  6. Step 6: Final answer
    x = 9,177.64

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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.