Home / 8,724.80-13,088.92-2,485.06

Finding the Fourth Proportional to 8,724.80, 13,088.92 and 2,485.06

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Solution

The fourth proportional to 8,724.80, 13,088.92 and 2,485.06 is: 3,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.80 : 13,088.92 = 2,485.06 : x
  2. Step 2: Convert to fraction form
    8,724.80/13,088.92 = 2,485.06/x
  3. Step 3: Cross multiply
    8,724.80x = 13,088.92 × 2,485.06
  4. Step 4: Simplify right side
    8,724.80x = 32,526,751.54
  5. Step 5: Solve for x
    x = 32,526,751.54/8,724.80
  6. Step 6: Final answer
    x = 3,728.08

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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.