Home / 5,152.08-7,728.48-1,454.28

Finding the Fourth Proportional to 5,152.08, 7,728.48 and 1,454.28

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Solution

The fourth proportional to 5,152.08, 7,728.48 and 1,454.28 is: 2,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.08 : 7,728.48 = 1,454.28 : x
  2. Step 2: Convert to fraction form
    5,152.08/7,728.48 = 1,454.28/x
  3. Step 3: Cross multiply
    5,152.08x = 7,728.48 × 1,454.28
  4. Step 4: Simplify right side
    5,152.08x = 11,239,373.89
  5. Step 5: Solve for x
    x = 11,239,373.89/5,152.08
  6. Step 6: Final answer
    x = 2,181.52

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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.