Home / 5,259.55-7,259.03-3,135.34

Finding the Fourth Proportional to 5,259.55, 7,259.03 and 3,135.34

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Solution

The fourth proportional to 5,259.55, 7,259.03 and 3,135.34 is: 4,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.55 : 7,259.03 = 3,135.34 : x
  2. Step 2: Convert to fraction form
    5,259.55/7,259.03 = 3,135.34/x
  3. Step 3: Cross multiply
    5,259.55x = 7,259.03 × 3,135.34
  4. Step 4: Simplify right side
    5,259.55x = 22,759,527.12
  5. Step 5: Solve for x
    x = 22,759,527.12/5,259.55
  6. Step 6: Final answer
    x = 4,327.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.