Home / 7,504.16-11,248.40-3,115.60

Finding the Fourth Proportional to 7,504.16, 11,248.40 and 3,115.60

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Solution

The fourth proportional to 7,504.16, 11,248.40 and 3,115.60 is: 4,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.16 : 11,248.40 = 3,115.60 : x
  2. Step 2: Convert to fraction form
    7,504.16/11,248.40 = 3,115.60/x
  3. Step 3: Cross multiply
    7,504.16x = 11,248.40 × 3,115.60
  4. Step 4: Simplify right side
    7,504.16x = 35,045,515.04
  5. Step 5: Solve for x
    x = 35,045,515.04/7,504.16
  6. Step 6: Final answer
    x = 4,670.14

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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.