Home / 6,441.30-9,663.12-2,057.76

Finding the Fourth Proportional to 6,441.30, 9,663.12 and 2,057.76

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Solution

The fourth proportional to 6,441.30, 9,663.12 and 2,057.76 is: 3,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.30 : 9,663.12 = 2,057.76 : x
  2. Step 2: Convert to fraction form
    6,441.30/9,663.12 = 2,057.76/x
  3. Step 3: Cross multiply
    6,441.30x = 9,663.12 × 2,057.76
  4. Step 4: Simplify right side
    6,441.30x = 19,884,381.81
  5. Step 5: Solve for x
    x = 19,884,381.81/6,441.30
  6. Step 6: Final answer
    x = 3,087.01

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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.