Home / 5,126.96-7,081.08-3,798.32

Finding the Fourth Proportional to 5,126.96, 7,081.08 and 3,798.32

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Solution

The fourth proportional to 5,126.96, 7,081.08 and 3,798.32 is: 5,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.96 : 7,081.08 = 3,798.32 : x
  2. Step 2: Convert to fraction form
    5,126.96/7,081.08 = 3,798.32/x
  3. Step 3: Cross multiply
    5,126.96x = 7,081.08 × 3,798.32
  4. Step 4: Simplify right side
    5,126.96x = 26,896,207.79
  5. Step 5: Solve for x
    x = 26,896,207.79/5,126.96
  6. Step 6: Final answer
    x = 5,246.03

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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.