Home / 5,721.12-7,889.76-4,546.08

Finding the Fourth Proportional to 5,721.12, 7,889.76 and 4,546.08

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Solution

The fourth proportional to 5,721.12, 7,889.76 and 4,546.08 is: 6,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.12 : 7,889.76 = 4,546.08 : x
  2. Step 2: Convert to fraction form
    5,721.12/7,889.76 = 4,546.08/x
  3. Step 3: Cross multiply
    5,721.12x = 7,889.76 × 4,546.08
  4. Step 4: Simplify right side
    5,721.12x = 35,867,480.14
  5. Step 5: Solve for x
    x = 35,867,480.14/5,721.12
  6. Step 6: Final answer
    x = 6,269.31

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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.