Home / 7,470.36-11,175.30-6,240.24

Finding the Fourth Proportional to 7,470.36, 11,175.30 and 6,240.24

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Solution

The fourth proportional to 7,470.36, 11,175.30 and 6,240.24 is: 9,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.36 : 11,175.30 = 6,240.24 : x
  2. Step 2: Convert to fraction form
    7,470.36/11,175.30 = 6,240.24/x
  3. Step 3: Cross multiply
    7,470.36x = 11,175.30 × 6,240.24
  4. Step 4: Simplify right side
    7,470.36x = 69,736,554.07
  5. Step 5: Solve for x
    x = 69,736,554.07/7,470.36
  6. Step 6: Final answer
    x = 9,335.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.