Home / 5,551.91-7,661.73-3,313.35

Finding the Fourth Proportional to 5,551.91, 7,661.73 and 3,313.35

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Solution

The fourth proportional to 5,551.91, 7,661.73 and 3,313.35 is: 4,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.91 : 7,661.73 = 3,313.35 : x
  2. Step 2: Convert to fraction form
    5,551.91/7,661.73 = 3,313.35/x
  3. Step 3: Cross multiply
    5,551.91x = 7,661.73 × 3,313.35
  4. Step 4: Simplify right side
    5,551.91x = 25,386,034.25
  5. Step 5: Solve for x
    x = 25,386,034.25/5,551.91
  6. Step 6: Final answer
    x = 4,572.48

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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.