Home / 4,785.53-7,177.68-2,153.25

Finding the Fourth Proportional to 4,785.53, 7,177.68 and 2,153.25

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Solution

The fourth proportional to 4,785.53, 7,177.68 and 2,153.25 is: 3,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.53 : 7,177.68 = 2,153.25 : x
  2. Step 2: Convert to fraction form
    4,785.53/7,177.68 = 2,153.25/x
  3. Step 3: Cross multiply
    4,785.53x = 7,177.68 × 2,153.25
  4. Step 4: Simplify right side
    4,785.53x = 15,455,339.46
  5. Step 5: Solve for x
    x = 15,455,339.46/4,785.53
  6. Step 6: Final answer
    x = 3,229.60

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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.