Home / 5,117.33-7,675.95-1,419.53

Finding the Fourth Proportional to 5,117.33, 7,675.95 and 1,419.53

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Solution

The fourth proportional to 5,117.33, 7,675.95 and 1,419.53 is: 2,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.33 : 7,675.95 = 1,419.53 : x
  2. Step 2: Convert to fraction form
    5,117.33/7,675.95 = 1,419.53/x
  3. Step 3: Cross multiply
    5,117.33x = 7,675.95 × 1,419.53
  4. Step 4: Simplify right side
    5,117.33x = 10,896,202.92
  5. Step 5: Solve for x
    x = 10,896,202.92/5,117.33
  6. Step 6: Final answer
    x = 2,129.28

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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.