Home / 6,215.21-9,322.81-4,374.53

Finding the Fourth Proportional to 6,215.21, 9,322.81 and 4,374.53

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Solution

The fourth proportional to 6,215.21, 9,322.81 and 4,374.53 is: 6,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.21 : 9,322.81 = 4,374.53 : x
  2. Step 2: Convert to fraction form
    6,215.21/9,322.81 = 4,374.53/x
  3. Step 3: Cross multiply
    6,215.21x = 9,322.81 × 4,374.53
  4. Step 4: Simplify right side
    6,215.21x = 40,782,890.16
  5. Step 5: Solve for x
    x = 40,782,890.16/6,215.21
  6. Step 6: Final answer
    x = 6,561.79

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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.