Home / 7,723.14-10,659.08-4,890.78

Finding the Fourth Proportional to 7,723.14, 10,659.08 and 4,890.78

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Solution

The fourth proportional to 7,723.14, 10,659.08 and 4,890.78 is: 6,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.14 : 10,659.08 = 4,890.78 : x
  2. Step 2: Convert to fraction form
    7,723.14/10,659.08 = 4,890.78/x
  3. Step 3: Cross multiply
    7,723.14x = 10,659.08 × 4,890.78
  4. Step 4: Simplify right side
    7,723.14x = 52,131,215.28
  5. Step 5: Solve for x
    x = 52,131,215.28/7,723.14
  6. Step 6: Final answer
    x = 6,750.00

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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.