Home / 4,710.40-7,052.64-2,759.20

Finding the Fourth Proportional to 4,710.40, 7,052.64 and 2,759.20

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Solution

The fourth proportional to 4,710.40, 7,052.64 and 2,759.20 is: 4,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.40 : 7,052.64 = 2,759.20 : x
  2. Step 2: Convert to fraction form
    4,710.40/7,052.64 = 2,759.20/x
  3. Step 3: Cross multiply
    4,710.40x = 7,052.64 × 2,759.20
  4. Step 4: Simplify right side
    4,710.40x = 19,459,644.29
  5. Step 5: Solve for x
    x = 19,459,644.29/4,710.40
  6. Step 6: Final answer
    x = 4,131.21

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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.