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Finding the Fourth Proportional to 9,228.99, 12,735.99 and 5,037.24

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Solution

The fourth proportional to 9,228.99, 12,735.99 and 5,037.24 is: 6,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.99 : 12,735.99 = 5,037.24 : x
  2. Step 2: Convert to fraction form
    9,228.99/12,735.99 = 5,037.24/x
  3. Step 3: Cross multiply
    9,228.99x = 12,735.99 × 5,037.24
  4. Step 4: Simplify right side
    9,228.99x = 64,154,238.27
  5. Step 5: Solve for x
    x = 64,154,238.27/9,228.99
  6. Step 6: Final answer
    x = 6,951.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.