Home / 5,903.56-8,145.48-3,886.76

Finding the Fourth Proportional to 5,903.56, 8,145.48 and 3,886.76

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Solution

The fourth proportional to 5,903.56, 8,145.48 and 3,886.76 is: 5,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.56 : 8,145.48 = 3,886.76 : x
  2. Step 2: Convert to fraction form
    5,903.56/8,145.48 = 3,886.76/x
  3. Step 3: Cross multiply
    5,903.56x = 8,145.48 × 3,886.76
  4. Step 4: Simplify right side
    5,903.56x = 31,659,525.84
  5. Step 5: Solve for x
    x = 31,659,525.84/5,903.56
  6. Step 6: Final answer
    x = 5,362.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.