Home / 7,529.34-10,390.57-4,126.44

Finding the Fourth Proportional to 7,529.34, 10,390.57 and 4,126.44

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Solution

The fourth proportional to 7,529.34, 10,390.57 and 4,126.44 is: 5,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.34 : 10,390.57 = 4,126.44 : x
  2. Step 2: Convert to fraction form
    7,529.34/10,390.57 = 4,126.44/x
  3. Step 3: Cross multiply
    7,529.34x = 10,390.57 × 4,126.44
  4. Step 4: Simplify right side
    7,529.34x = 42,876,112.63
  5. Step 5: Solve for x
    x = 42,876,112.63/7,529.34
  6. Step 6: Final answer
    x = 5,694.54

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.