Home / 10,270.72-15,407.03-4,725.60

Finding the Fourth Proportional to 10,270.72, 15,407.03 and 4,725.60

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Solution

The fourth proportional to 10,270.72, 15,407.03 and 4,725.60 is: 7,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.72 : 15,407.03 = 4,725.60 : x
  2. Step 2: Convert to fraction form
    10,270.72/15,407.03 = 4,725.60/x
  3. Step 3: Cross multiply
    10,270.72x = 15,407.03 × 4,725.60
  4. Step 4: Simplify right side
    10,270.72x = 72,807,460.97
  5. Step 5: Solve for x
    x = 72,807,460.97/10,270.72
  6. Step 6: Final answer
    x = 7,088.84

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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.