Home / 4,754.78-7,130.73-1,423.25

Finding the Fourth Proportional to 4,754.78, 7,130.73 and 1,423.25

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Solution

The fourth proportional to 4,754.78, 7,130.73 and 1,423.25 is: 2,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.78 : 7,130.73 = 1,423.25 : x
  2. Step 2: Convert to fraction form
    4,754.78/7,130.73 = 1,423.25/x
  3. Step 3: Cross multiply
    4,754.78x = 7,130.73 × 1,423.25
  4. Step 4: Simplify right side
    4,754.78x = 10,148,811.47
  5. Step 5: Solve for x
    x = 10,148,811.47/4,754.78
  6. Step 6: Final answer
    x = 2,134.44

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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.