Home / 5,476.53-7,557.65-3,118.53

Finding the Fourth Proportional to 5,476.53, 7,557.65 and 3,118.53

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Solution

The fourth proportional to 5,476.53, 7,557.65 and 3,118.53 is: 4,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.53 : 7,557.65 = 3,118.53 : x
  2. Step 2: Convert to fraction form
    5,476.53/7,557.65 = 3,118.53/x
  3. Step 3: Cross multiply
    5,476.53x = 7,557.65 × 3,118.53
  4. Step 4: Simplify right side
    5,476.53x = 23,568,742.66
  5. Step 5: Solve for x
    x = 23,568,742.66/5,476.53
  6. Step 6: Final answer
    x = 4,303.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.