Home / 7,427.40-11,140.69-2,496.53

Finding the Fourth Proportional to 7,427.40, 11,140.69 and 2,496.53

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Solution

The fourth proportional to 7,427.40, 11,140.69 and 2,496.53 is: 3,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.40 : 11,140.69 = 2,496.53 : x
  2. Step 2: Convert to fraction form
    7,427.40/11,140.69 = 2,496.53/x
  3. Step 3: Cross multiply
    7,427.40x = 11,140.69 × 2,496.53
  4. Step 4: Simplify right side
    7,427.40x = 27,813,066.81
  5. Step 5: Solve for x
    x = 27,813,066.81/7,427.40
  6. Step 6: Final answer
    x = 3,744.66

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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.