Home / 4,458.39-6,687.09-1,126.63

Finding the Fourth Proportional to 4,458.39, 6,687.09 and 1,126.63

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Solution

The fourth proportional to 4,458.39, 6,687.09 and 1,126.63 is: 1,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.39 : 6,687.09 = 1,126.63 : x
  2. Step 2: Convert to fraction form
    4,458.39/6,687.09 = 1,126.63/x
  3. Step 3: Cross multiply
    4,458.39x = 6,687.09 × 1,126.63
  4. Step 4: Simplify right side
    4,458.39x = 7,533,884.57
  5. Step 5: Solve for x
    x = 7,533,884.57/4,458.39
  6. Step 6: Final answer
    x = 1,689.82

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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.