Home / 6,421.58-9,631.26-2,264.66

Finding the Fourth Proportional to 6,421.58, 9,631.26 and 2,264.66

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Solution

The fourth proportional to 6,421.58, 9,631.26 and 2,264.66 is: 3,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.58 : 9,631.26 = 2,264.66 : x
  2. Step 2: Convert to fraction form
    6,421.58/9,631.26 = 2,264.66/x
  3. Step 3: Cross multiply
    6,421.58x = 9,631.26 × 2,264.66
  4. Step 4: Simplify right side
    6,421.58x = 21,811,529.27
  5. Step 5: Solve for x
    x = 21,811,529.27/6,421.58
  6. Step 6: Final answer
    x = 3,396.60

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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.