Home / 5,270.47-7,903.12-1,759.27

Finding the Fourth Proportional to 5,270.47, 7,903.12 and 1,759.27

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Solution

The fourth proportional to 5,270.47, 7,903.12 and 1,759.27 is: 2,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.47 : 7,903.12 = 1,759.27 : x
  2. Step 2: Convert to fraction form
    5,270.47/7,903.12 = 1,759.27/x
  3. Step 3: Cross multiply
    5,270.47x = 7,903.12 × 1,759.27
  4. Step 4: Simplify right side
    5,270.47x = 13,903,715.88
  5. Step 5: Solve for x
    x = 13,903,715.88/5,270.47
  6. Step 6: Final answer
    x = 2,638.04

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1.5x scale

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.