Home / 6,308.40-9,448.83-5,200.32

Finding the Fourth Proportional to 6,308.40, 9,448.83 and 5,200.32

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Solution

The fourth proportional to 6,308.40, 9,448.83 and 5,200.32 is: 7,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.40 : 9,448.83 = 5,200.32 : x
  2. Step 2: Convert to fraction form
    6,308.40/9,448.83 = 5,200.32/x
  3. Step 3: Cross multiply
    6,308.40x = 9,448.83 × 5,200.32
  4. Step 4: Simplify right side
    6,308.40x = 49,136,939.63
  5. Step 5: Solve for x
    x = 49,136,939.63/6,308.40
  6. Step 6: Final answer
    x = 7,789.13

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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.