Home / 7,404.17-11,120.36-4,290.41

Finding the Fourth Proportional to 7,404.17, 11,120.36 and 4,290.41

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Solution

The fourth proportional to 7,404.17, 11,120.36 and 4,290.41 is: 6,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.17 : 11,120.36 = 4,290.41 : x
  2. Step 2: Convert to fraction form
    7,404.17/11,120.36 = 4,290.41/x
  3. Step 3: Cross multiply
    7,404.17x = 11,120.36 × 4,290.41
  4. Step 4: Simplify right side
    7,404.17x = 47,710,826.69
  5. Step 5: Solve for x
    x = 47,710,826.69/7,404.17
  6. Step 6: Final answer
    x = 6,443.78

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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.