Home / 7,133.94-10,695.78-2,690.91

Finding the Fourth Proportional to 7,133.94, 10,695.78 and 2,690.91

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Solution

The fourth proportional to 7,133.94, 10,695.78 and 2,690.91 is: 4,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.94 : 10,695.78 = 2,690.91 : x
  2. Step 2: Convert to fraction form
    7,133.94/10,695.78 = 2,690.91/x
  3. Step 3: Cross multiply
    7,133.94x = 10,695.78 × 2,690.91
  4. Step 4: Simplify right side
    7,133.94x = 28,781,381.36
  5. Step 5: Solve for x
    x = 28,781,381.36/7,133.94
  6. Step 6: Final answer
    x = 4,034.43

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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.