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Finding the Fourth Proportional to 6,894.58, 9,514.56 and 3,750.76

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Solution

The fourth proportional to 6,894.58, 9,514.56 and 3,750.76 is: 5,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.58 : 9,514.56 = 3,750.76 : x
  2. Step 2: Convert to fraction form
    6,894.58/9,514.56 = 3,750.76/x
  3. Step 3: Cross multiply
    6,894.58x = 9,514.56 × 3,750.76
  4. Step 4: Simplify right side
    6,894.58x = 35,686,831.07
  5. Step 5: Solve for x
    x = 35,686,831.07/6,894.58
  6. Step 6: Final answer
    x = 5,176.07

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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.