Home / 8,724.58-12,040.23-4,999.30

Finding the Fourth Proportional to 8,724.58, 12,040.23 and 4,999.30

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Solution

The fourth proportional to 8,724.58, 12,040.23 and 4,999.30 is: 6,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.58 : 12,040.23 = 4,999.30 : x
  2. Step 2: Convert to fraction form
    8,724.58/12,040.23 = 4,999.30/x
  3. Step 3: Cross multiply
    8,724.58x = 12,040.23 × 4,999.30
  4. Step 4: Simplify right side
    8,724.58x = 60,192,710.49
  5. Step 5: Solve for x
    x = 60,192,710.49/8,724.58
  6. Step 6: Final answer
    x = 6,899.21

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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.