Home / 7,031.28-10,546.56-1,836.96

Finding the Fourth Proportional to 7,031.28, 10,546.56 and 1,836.96

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Solution

The fourth proportional to 7,031.28, 10,546.56 and 1,836.96 is: 2,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.28 : 10,546.56 = 1,836.96 : x
  2. Step 2: Convert to fraction form
    7,031.28/10,546.56 = 1,836.96/x
  3. Step 3: Cross multiply
    7,031.28x = 10,546.56 × 1,836.96
  4. Step 4: Simplify right side
    7,031.28x = 19,373,608.86
  5. Step 5: Solve for x
    x = 19,373,608.86/7,031.28
  6. Step 6: Final answer
    x = 2,755.35

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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.