Home / 8,235.15-11,364.67-4,877.90

Finding the Fourth Proportional to 8,235.15, 11,364.67 and 4,877.90

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Solution

The fourth proportional to 8,235.15, 11,364.67 and 4,877.90 is: 6,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.15 : 11,364.67 = 4,877.90 : x
  2. Step 2: Convert to fraction form
    8,235.15/11,364.67 = 4,877.90/x
  3. Step 3: Cross multiply
    8,235.15x = 11,364.67 × 4,877.90
  4. Step 4: Simplify right side
    8,235.15x = 55,435,723.79
  5. Step 5: Solve for x
    x = 55,435,723.79/8,235.15
  6. Step 6: Final answer
    x = 6,731.60

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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.