Home / 4,761.26-7,143.36-2,130.98

Finding the Fourth Proportional to 4,761.26, 7,143.36 and 2,130.98

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Solution

The fourth proportional to 4,761.26, 7,143.36 and 2,130.98 is: 3,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.26 : 7,143.36 = 2,130.98 : x
  2. Step 2: Convert to fraction form
    4,761.26/7,143.36 = 2,130.98/x
  3. Step 3: Cross multiply
    4,761.26x = 7,143.36 × 2,130.98
  4. Step 4: Simplify right side
    4,761.26x = 15,222,313.58
  5. Step 5: Solve for x
    x = 15,222,313.58/4,761.26
  6. Step 6: Final answer
    x = 3,197.12

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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.