Home / 5,507.35-8,260.90-1,347.28

Finding the Fourth Proportional to 5,507.35, 8,260.90 and 1,347.28

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Solution

The fourth proportional to 5,507.35, 8,260.90 and 1,347.28 is: 2,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.35 : 8,260.90 = 1,347.28 : x
  2. Step 2: Convert to fraction form
    5,507.35/8,260.90 = 1,347.28/x
  3. Step 3: Cross multiply
    5,507.35x = 8,260.90 × 1,347.28
  4. Step 4: Simplify right side
    5,507.35x = 11,129,745.35
  5. Step 5: Solve for x
    x = 11,129,745.35/5,507.35
  6. Step 6: Final answer
    x = 2,020.89

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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.