Home / 4,380.78-6,571.23-1,459.01

Finding the Fourth Proportional to 4,380.78, 6,571.23 and 1,459.01

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Solution

The fourth proportional to 4,380.78, 6,571.23 and 1,459.01 is: 2,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.78 : 6,571.23 = 1,459.01 : x
  2. Step 2: Convert to fraction form
    4,380.78/6,571.23 = 1,459.01/x
  3. Step 3: Cross multiply
    4,380.78x = 6,571.23 × 1,459.01
  4. Step 4: Simplify right side
    4,380.78x = 9,587,501.24
  5. Step 5: Solve for x
    x = 9,587,501.24/4,380.78
  6. Step 6: Final answer
    x = 2,188.54

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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.