Home / 9,299.40-12,833.10-5,107.64

Finding the Fourth Proportional to 9,299.40, 12,833.10 and 5,107.64

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Solution

The fourth proportional to 9,299.40, 12,833.10 and 5,107.64 is: 7,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.40 : 12,833.10 = 5,107.64 : x
  2. Step 2: Convert to fraction form
    9,299.40/12,833.10 = 5,107.64/x
  3. Step 3: Cross multiply
    9,299.40x = 12,833.10 × 5,107.64
  4. Step 4: Simplify right side
    9,299.40x = 65,546,854.88
  5. Step 5: Solve for x
    x = 65,546,854.88/9,299.40
  6. Step 6: Final answer
    x = 7,048.50

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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.