Home / 7,215.56-10,823.34-1,743.56

Finding the Fourth Proportional to 7,215.56, 10,823.34 and 1,743.56

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Solution

The fourth proportional to 7,215.56, 10,823.34 and 1,743.56 is: 2,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.56 : 10,823.34 = 1,743.56 : x
  2. Step 2: Convert to fraction form
    7,215.56/10,823.34 = 1,743.56/x
  3. Step 3: Cross multiply
    7,215.56x = 10,823.34 × 1,743.56
  4. Step 4: Simplify right side
    7,215.56x = 18,871,142.69
  5. Step 5: Solve for x
    x = 18,871,142.69/7,215.56
  6. Step 6: Final answer
    x = 2,615.34

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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.