Home / 5,585.30-7,708.67-3,228.81

Finding the Fourth Proportional to 5,585.30, 7,708.67 and 3,228.81

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Solution

The fourth proportional to 5,585.30, 7,708.67 and 3,228.81 is: 4,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.30 : 7,708.67 = 3,228.81 : x
  2. Step 2: Convert to fraction form
    5,585.30/7,708.67 = 3,228.81/x
  3. Step 3: Cross multiply
    5,585.30x = 7,708.67 × 3,228.81
  4. Step 4: Simplify right side
    5,585.30x = 24,889,830.78
  5. Step 5: Solve for x
    x = 24,889,830.78/5,585.30
  6. Step 6: Final answer
    x = 4,456.31

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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.