Home / 7,417.71-11,128.37-2,223.54

Finding the Fourth Proportional to 7,417.71, 11,128.37 and 2,223.54

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Solution

The fourth proportional to 7,417.71, 11,128.37 and 2,223.54 is: 3,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.71 : 11,128.37 = 2,223.54 : x
  2. Step 2: Convert to fraction form
    7,417.71/11,128.37 = 2,223.54/x
  3. Step 3: Cross multiply
    7,417.71x = 11,128.37 × 2,223.54
  4. Step 4: Simplify right side
    7,417.71x = 24,744,364.71
  5. Step 5: Solve for x
    x = 24,744,364.71/7,417.71
  6. Step 6: Final answer
    x = 3,335.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.