Home / 5,346.89-8,020.31-1,451.28

Finding the Fourth Proportional to 5,346.89, 8,020.31 and 1,451.28

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Solution

The fourth proportional to 5,346.89, 8,020.31 and 1,451.28 is: 2,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.89 : 8,020.31 = 1,451.28 : x
  2. Step 2: Convert to fraction form
    5,346.89/8,020.31 = 1,451.28/x
  3. Step 3: Cross multiply
    5,346.89x = 8,020.31 × 1,451.28
  4. Step 4: Simplify right side
    5,346.89x = 11,639,708.24
  5. Step 5: Solve for x
    x = 11,639,708.24/5,346.89
  6. Step 6: Final answer
    x = 2,176.91

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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.