Home / 4,287.20-5,908.40-3,237.60

Finding the Fourth Proportional to 4,287.20, 5,908.40 and 3,237.60

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Solution

The fourth proportional to 4,287.20, 5,908.40 and 3,237.60 is: 4,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.20 : 5,908.40 = 3,237.60 : x
  2. Step 2: Convert to fraction form
    4,287.20/5,908.40 = 3,237.60/x
  3. Step 3: Cross multiply
    4,287.20x = 5,908.40 × 3,237.60
  4. Step 4: Simplify right side
    4,287.20x = 19,129,035.84
  5. Step 5: Solve for x
    x = 19,129,035.84/4,287.20
  6. Step 6: Final answer
    x = 4,461.89

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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.