Home / 7,651.28-11,476.92-2,457.56

Finding the Fourth Proportional to 7,651.28, 11,476.92 and 2,457.56

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Solution

The fourth proportional to 7,651.28, 11,476.92 and 2,457.56 is: 3,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.28 : 11,476.92 = 2,457.56 : x
  2. Step 2: Convert to fraction form
    7,651.28/11,476.92 = 2,457.56/x
  3. Step 3: Cross multiply
    7,651.28x = 11,476.92 × 2,457.56
  4. Step 4: Simplify right side
    7,651.28x = 28,205,219.52
  5. Step 5: Solve for x
    x = 28,205,219.52/7,651.28
  6. Step 6: Final answer
    x = 3,686.34

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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.