Home / 4,760.02-7,140.79-1,639.26

Finding the Fourth Proportional to 4,760.02, 7,140.79 and 1,639.26

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Solution

The fourth proportional to 4,760.02, 7,140.79 and 1,639.26 is: 2,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.02 : 7,140.79 = 1,639.26 : x
  2. Step 2: Convert to fraction form
    4,760.02/7,140.79 = 1,639.26/x
  3. Step 3: Cross multiply
    4,760.02x = 7,140.79 × 1,639.26
  4. Step 4: Simplify right side
    4,760.02x = 11,705,611.42
  5. Step 5: Solve for x
    x = 11,705,611.42/4,760.02
  6. Step 6: Final answer
    x = 2,459.15

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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.