Home / 10,510.44-15,765.75-2,719.26

Finding the Fourth Proportional to 10,510.44, 15,765.75 and 2,719.26

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Solution

The fourth proportional to 10,510.44, 15,765.75 and 2,719.26 is: 4,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.44 : 15,765.75 = 2,719.26 : x
  2. Step 2: Convert to fraction form
    10,510.44/15,765.75 = 2,719.26/x
  3. Step 3: Cross multiply
    10,510.44x = 15,765.75 × 2,719.26
  4. Step 4: Simplify right side
    10,510.44x = 42,871,173.35
  5. Step 5: Solve for x
    x = 42,871,173.35/10,510.44
  6. Step 6: Final answer
    x = 4,078.91

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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.