Home / 7,653.20-11,472.36-2,455.28

Finding the Fourth Proportional to 7,653.20, 11,472.36 and 2,455.28

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Solution

The fourth proportional to 7,653.20, 11,472.36 and 2,455.28 is: 3,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.20 : 11,472.36 = 2,455.28 : x
  2. Step 2: Convert to fraction form
    7,653.20/11,472.36 = 2,455.28/x
  3. Step 3: Cross multiply
    7,653.20x = 11,472.36 × 2,455.28
  4. Step 4: Simplify right side
    7,653.20x = 28,167,856.06
  5. Step 5: Solve for x
    x = 28,167,856.06/7,653.20
  6. Step 6: Final answer
    x = 3,680.53

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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.