Home / 8,725.08-12,040.93-4,999.80

Finding the Fourth Proportional to 8,725.08, 12,040.93 and 4,999.80

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Solution

The fourth proportional to 8,725.08, 12,040.93 and 4,999.80 is: 6,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.08 : 12,040.93 = 4,999.80 : x
  2. Step 2: Convert to fraction form
    8,725.08/12,040.93 = 4,999.80/x
  3. Step 3: Cross multiply
    8,725.08x = 12,040.93 × 4,999.80
  4. Step 4: Simplify right side
    8,725.08x = 60,202,216.82
  5. Step 5: Solve for x
    x = 60,202,216.82/8,725.08
  6. Step 6: Final answer
    x = 6,899.90

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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.