Home / 7,718.35-11,577.52-1,874.92

Finding the Fourth Proportional to 7,718.35, 11,577.52 and 1,874.92

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Solution

The fourth proportional to 7,718.35, 11,577.52 and 1,874.92 is: 2,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.35 : 11,577.52 = 1,874.92 : x
  2. Step 2: Convert to fraction form
    7,718.35/11,577.52 = 1,874.92/x
  3. Step 3: Cross multiply
    7,718.35x = 11,577.52 × 1,874.92
  4. Step 4: Simplify right side
    7,718.35x = 21,706,923.80
  5. Step 5: Solve for x
    x = 21,706,923.80/7,718.35
  6. Step 6: Final answer
    x = 2,812.38

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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.