Home / 7,451.34-11,177-1,904.70

Finding the Fourth Proportional to 7,451.34, 11,177 and 1,904.70

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Solution

The fourth proportional to 7,451.34, 11,177 and 1,904.70 is: 2,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.34 : 11,177 = 1,904.70 : x
  2. Step 2: Convert to fraction form
    7,451.34/11,177 = 1,904.70/x
  3. Step 3: Cross multiply
    7,451.34x = 11,177 × 1,904.70
  4. Step 4: Simplify right side
    7,451.34x = 21,288,831.90
  5. Step 5: Solve for x
    x = 21,288,831.90/7,451.34
  6. Step 6: Final answer
    x = 2,857.05

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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.