Home / 8,724.06-12,039.21-4,745.16

Finding the Fourth Proportional to 8,724.06, 12,039.21 and 4,745.16

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Solution

The fourth proportional to 8,724.06, 12,039.21 and 4,745.16 is: 6,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.06 : 12,039.21 = 4,745.16 : x
  2. Step 2: Convert to fraction form
    8,724.06/12,039.21 = 4,745.16/x
  3. Step 3: Cross multiply
    8,724.06x = 12,039.21 × 4,745.16
  4. Step 4: Simplify right side
    8,724.06x = 57,127,977.72
  5. Step 5: Solve for x
    x = 57,127,977.72/8,724.06
  6. Step 6: Final answer
    x = 6,548.32

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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.