Home / 6,646.29-9,966.57-2,261.76

Finding the Fourth Proportional to 6,646.29, 9,966.57 and 2,261.76

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Solution

The fourth proportional to 6,646.29, 9,966.57 and 2,261.76 is: 3,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.29 : 9,966.57 = 2,261.76 : x
  2. Step 2: Convert to fraction form
    6,646.29/9,966.57 = 2,261.76/x
  3. Step 3: Cross multiply
    6,646.29x = 9,966.57 × 2,261.76
  4. Step 4: Simplify right side
    6,646.29x = 22,541,989.36
  5. Step 5: Solve for x
    x = 22,541,989.36/6,646.29
  6. Step 6: Final answer
    x = 3,391.67

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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.