Home / 4,785.26-7,178.23-1,275.25

Finding the Fourth Proportional to 4,785.26, 7,178.23 and 1,275.25

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Solution

The fourth proportional to 4,785.26, 7,178.23 and 1,275.25 is: 1,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.26 : 7,178.23 = 1,275.25 : x
  2. Step 2: Convert to fraction form
    4,785.26/7,178.23 = 1,275.25/x
  3. Step 3: Cross multiply
    4,785.26x = 7,178.23 × 1,275.25
  4. Step 4: Simplify right side
    4,785.26x = 9,154,015.01
  5. Step 5: Solve for x
    x = 9,154,015.01/4,785.26
  6. Step 6: Final answer
    x = 1,912.96

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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.