Home / 9,133.92-13,700.64-2,560.56

Finding the Fourth Proportional to 9,133.92, 13,700.64 and 2,560.56

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Solution

The fourth proportional to 9,133.92, 13,700.64 and 2,560.56 is: 3,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.92 : 13,700.64 = 2,560.56 : x
  2. Step 2: Convert to fraction form
    9,133.92/13,700.64 = 2,560.56/x
  3. Step 3: Cross multiply
    9,133.92x = 13,700.64 × 2,560.56
  4. Step 4: Simplify right side
    9,133.92x = 35,081,310.76
  5. Step 5: Solve for x
    x = 35,081,310.76/9,133.92
  6. Step 6: Final answer
    x = 3,840.77

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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.