Home / 7,470.39-11,200.39-3,308.14

Finding the Fourth Proportional to 7,470.39, 11,200.39 and 3,308.14

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Solution

The fourth proportional to 7,470.39, 11,200.39 and 3,308.14 is: 4,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.39 : 11,200.39 = 3,308.14 : x
  2. Step 2: Convert to fraction form
    7,470.39/11,200.39 = 3,308.14/x
  3. Step 3: Cross multiply
    7,470.39x = 11,200.39 × 3,308.14
  4. Step 4: Simplify right side
    7,470.39x = 37,052,482.51
  5. Step 5: Solve for x
    x = 37,052,482.51/7,470.39
  6. Step 6: Final answer
    x = 4,959.91

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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.