Home / 7,723.80-10,660.32-4,581.72

Finding the Fourth Proportional to 7,723.80, 10,660.32 and 4,581.72

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Solution

The fourth proportional to 7,723.80, 10,660.32 and 4,581.72 is: 6,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.80 : 10,660.32 = 4,581.72 : x
  2. Step 2: Convert to fraction form
    7,723.80/10,660.32 = 4,581.72/x
  3. Step 3: Cross multiply
    7,723.80x = 10,660.32 × 4,581.72
  4. Step 4: Simplify right side
    7,723.80x = 48,842,601.35
  5. Step 5: Solve for x
    x = 48,842,601.35/7,723.80
  6. Step 6: Final answer
    x = 6,323.65

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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.