Home / 4,767.79-7,153.74-2,578.06

Finding the Fourth Proportional to 4,767.79, 7,153.74 and 2,578.06

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Solution

The fourth proportional to 4,767.79, 7,153.74 and 2,578.06 is: 3,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.79 : 7,153.74 = 2,578.06 : x
  2. Step 2: Convert to fraction form
    4,767.79/7,153.74 = 2,578.06/x
  3. Step 3: Cross multiply
    4,767.79x = 7,153.74 × 2,578.06
  4. Step 4: Simplify right side
    4,767.79x = 18,442,758.05
  5. Step 5: Solve for x
    x = 18,442,758.05/4,767.79
  6. Step 6: Final answer
    x = 3,868.20

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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.