Home / 6,453.20-9,665.88-4,361.72

Finding the Fourth Proportional to 6,453.20, 9,665.88 and 4,361.72

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Solution

The fourth proportional to 6,453.20, 9,665.88 and 4,361.72 is: 6,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.20 : 9,665.88 = 4,361.72 : x
  2. Step 2: Convert to fraction form
    6,453.20/9,665.88 = 4,361.72/x
  3. Step 3: Cross multiply
    6,453.20x = 9,665.88 × 4,361.72
  4. Step 4: Simplify right side
    6,453.20x = 42,159,862.11
  5. Step 5: Solve for x
    x = 42,159,862.11/6,453.20
  6. Step 6: Final answer
    x = 6,533.17

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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.