Home / 10,577.25-15,865.88-4,421.25

Finding the Fourth Proportional to 10,577.25, 15,865.88 and 4,421.25

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Solution

The fourth proportional to 10,577.25, 15,865.88 and 4,421.25 is: 6,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.25 : 15,865.88 = 4,421.25 : x
  2. Step 2: Convert to fraction form
    10,577.25/15,865.88 = 4,421.25/x
  3. Step 3: Cross multiply
    10,577.25x = 15,865.88 × 4,421.25
  4. Step 4: Simplify right side
    10,577.25x = 70,146,999.84
  5. Step 5: Solve for x
    x = 70,146,999.84/10,577.25
  6. Step 6: Final answer
    x = 6,631.88

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Similar ratio
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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.