Home / 5,554.71-7,661.91-3,314.85

Finding the Fourth Proportional to 5,554.71, 7,661.91 and 3,314.85

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Solution

The fourth proportional to 5,554.71, 7,661.91 and 3,314.85 is: 4,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.71 : 7,661.91 = 3,314.85 : x
  2. Step 2: Convert to fraction form
    5,554.71/7,661.91 = 3,314.85/x
  3. Step 3: Cross multiply
    5,554.71x = 7,661.91 × 3,314.85
  4. Step 4: Simplify right side
    5,554.71x = 25,398,082.36
  5. Step 5: Solve for x
    x = 25,398,082.36/5,554.71
  6. Step 6: Final answer
    x = 4,572.35

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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.