Home / 5,406.90-7,459.78-4,268.96

Finding the Fourth Proportional to 5,406.90, 7,459.78 and 4,268.96

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Solution

The fourth proportional to 5,406.90, 7,459.78 and 4,268.96 is: 5,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.90 : 7,459.78 = 4,268.96 : x
  2. Step 2: Convert to fraction form
    5,406.90/7,459.78 = 4,268.96/x
  3. Step 3: Cross multiply
    5,406.90x = 7,459.78 × 4,268.96
  4. Step 4: Simplify right side
    5,406.90x = 31,845,502.43
  5. Step 5: Solve for x
    x = 31,845,502.43/5,406.90
  6. Step 6: Final answer
    x = 5,889.79

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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.