Home / 4,785.04-7,177.38-1,275.04

Finding the Fourth Proportional to 4,785.04, 7,177.38 and 1,275.04

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Solution

The fourth proportional to 4,785.04, 7,177.38 and 1,275.04 is: 1,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.04 : 7,177.38 = 1,275.04 : x
  2. Step 2: Convert to fraction form
    4,785.04/7,177.38 = 1,275.04/x
  3. Step 3: Cross multiply
    4,785.04x = 7,177.38 × 1,275.04
  4. Step 4: Simplify right side
    4,785.04x = 9,151,446.60
  5. Step 5: Solve for x
    x = 9,151,446.60/4,785.04
  6. Step 6: Final answer
    x = 1,912.51

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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.