Home / 5,827.11-8,739.80-1,877.86

Finding the Fourth Proportional to 5,827.11, 8,739.80 and 1,877.86

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Solution

The fourth proportional to 5,827.11, 8,739.80 and 1,877.86 is: 2,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.11 : 8,739.80 = 1,877.86 : x
  2. Step 2: Convert to fraction form
    5,827.11/8,739.80 = 1,877.86/x
  3. Step 3: Cross multiply
    5,827.11x = 8,739.80 × 1,877.86
  4. Step 4: Simplify right side
    5,827.11x = 16,412,067.74
  5. Step 5: Solve for x
    x = 16,412,067.74/5,827.11
  6. Step 6: Final answer
    x = 2,816.50

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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.