Home / 5,434.72-7,500.09-3,076.81

Finding the Fourth Proportional to 5,434.72, 7,500.09 and 3,076.81

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Solution

The fourth proportional to 5,434.72, 7,500.09 and 3,076.81 is: 4,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.72 : 7,500.09 = 3,076.81 : x
  2. Step 2: Convert to fraction form
    5,434.72/7,500.09 = 3,076.81/x
  3. Step 3: Cross multiply
    5,434.72x = 7,500.09 × 3,076.81
  4. Step 4: Simplify right side
    5,434.72x = 23,076,299.03
  5. Step 5: Solve for x
    x = 23,076,299.03/5,434.72
  6. Step 6: Final answer
    x = 4,246.09

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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.