Home / 4,301.21-6,466.40-3,434.78

Finding the Fourth Proportional to 4,301.21, 6,466.40 and 3,434.78

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Solution

The fourth proportional to 4,301.21, 6,466.40 and 3,434.78 is: 5,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.21 : 6,466.40 = 3,434.78 : x
  2. Step 2: Convert to fraction form
    4,301.21/6,466.40 = 3,434.78/x
  3. Step 3: Cross multiply
    4,301.21x = 6,466.40 × 3,434.78
  4. Step 4: Simplify right side
    4,301.21x = 22,210,686.14
  5. Step 5: Solve for x
    x = 22,210,686.14/4,301.21
  6. Step 6: Final answer
    x = 5,163.82

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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.