Home / 6,450.21-9,660.87-5,606.46

Finding the Fourth Proportional to 6,450.21, 9,660.87 and 5,606.46

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Solution

The fourth proportional to 6,450.21, 9,660.87 and 5,606.46 is: 8,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.21 : 9,660.87 = 5,606.46 : x
  2. Step 2: Convert to fraction form
    6,450.21/9,660.87 = 5,606.46/x
  3. Step 3: Cross multiply
    6,450.21x = 9,660.87 × 5,606.46
  4. Step 4: Simplify right side
    6,450.21x = 54,163,281.22
  5. Step 5: Solve for x
    x = 54,163,281.22/6,450.21
  6. Step 6: Final answer
    x = 8,397.13

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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.