Home / 5,153.01-7,729.38-1,455.18

Finding the Fourth Proportional to 5,153.01, 7,729.38 and 1,455.18

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Solution

The fourth proportional to 5,153.01, 7,729.38 and 1,455.18 is: 2,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.01 : 7,729.38 = 1,455.18 : x
  2. Step 2: Convert to fraction form
    5,153.01/7,729.38 = 1,455.18/x
  3. Step 3: Cross multiply
    5,153.01x = 7,729.38 × 1,455.18
  4. Step 4: Simplify right side
    5,153.01x = 11,247,639.19
  5. Step 5: Solve for x
    x = 11,247,639.19/5,153.01
  6. Step 6: Final answer
    x = 2,182.73

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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.