Home / 7,480.63-11,210.31-3,319.25

Finding the Fourth Proportional to 7,480.63, 11,210.31 and 3,319.25

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Solution

The fourth proportional to 7,480.63, 11,210.31 and 3,319.25 is: 4,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.63 : 11,210.31 = 3,319.25 : x
  2. Step 2: Convert to fraction form
    7,480.63/11,210.31 = 3,319.25/x
  3. Step 3: Cross multiply
    7,480.63x = 11,210.31 × 3,319.25
  4. Step 4: Simplify right side
    7,480.63x = 37,209,821.47
  5. Step 5: Solve for x
    x = 37,209,821.47/7,480.63
  6. Step 6: Final answer
    x = 4,974.16

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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.