Home / 8,724.00-13,085.70-3,793.65

Finding the Fourth Proportional to 8,724.00, 13,085.70 and 3,793.65

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Solution

The fourth proportional to 8,724.00, 13,085.70 and 3,793.65 is: 5,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.00 : 13,085.70 = 3,793.65 : x
  2. Step 2: Convert to fraction form
    8,724.00/13,085.70 = 3,793.65/x
  3. Step 3: Cross multiply
    8,724.00x = 13,085.70 × 3,793.65
  4. Step 4: Simplify right side
    8,724.00x = 49,642,597.45
  5. Step 5: Solve for x
    x = 49,642,597.45/8,724.00
  6. Step 6: Final answer
    x = 5,690.35

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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.