Home / 4,374.22-6,561.24-1,087.28

Finding the Fourth Proportional to 4,374.22, 6,561.24 and 1,087.28

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Solution

The fourth proportional to 4,374.22, 6,561.24 and 1,087.28 is: 1,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.22 : 6,561.24 = 1,087.28 : x
  2. Step 2: Convert to fraction form
    4,374.22/6,561.24 = 1,087.28/x
  3. Step 3: Cross multiply
    4,374.22x = 6,561.24 × 1,087.28
  4. Step 4: Simplify right side
    4,374.22x = 7,133,905.03
  5. Step 5: Solve for x
    x = 7,133,905.03/4,374.22
  6. Step 6: Final answer
    x = 1,630.90

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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.