Home / 7,417.04-11,128.29-3,469.57

Finding the Fourth Proportional to 7,417.04, 11,128.29 and 3,469.57

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Solution

The fourth proportional to 7,417.04, 11,128.29 and 3,469.57 is: 5,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.04 : 11,128.29 = 3,469.57 : x
  2. Step 2: Convert to fraction form
    7,417.04/11,128.29 = 3,469.57/x
  3. Step 3: Cross multiply
    7,417.04x = 11,128.29 × 3,469.57
  4. Step 4: Simplify right side
    7,417.04x = 38,610,340.30
  5. Step 5: Solve for x
    x = 38,610,340.30/7,417.04
  6. Step 6: Final answer
    x = 5,205.63

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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.