Home / 7,548.12-10,415.88-4,190.76

Finding the Fourth Proportional to 7,548.12, 10,415.88 and 4,190.76

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Solution

The fourth proportional to 7,548.12, 10,415.88 and 4,190.76 is: 5,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.12 : 10,415.88 = 4,190.76 : x
  2. Step 2: Convert to fraction form
    7,548.12/10,415.88 = 4,190.76/x
  3. Step 3: Cross multiply
    7,548.12x = 10,415.88 × 4,190.76
  4. Step 4: Simplify right side
    7,548.12x = 43,650,453.27
  5. Step 5: Solve for x
    x = 43,650,453.27/7,548.12
  6. Step 6: Final answer
    x = 5,782.96

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Half scale
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Double 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.