Home / 7,404.77-10,218.60-4,217.99

Finding the Fourth Proportional to 7,404.77, 10,218.60 and 4,217.99

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Solution

The fourth proportional to 7,404.77, 10,218.60 and 4,217.99 is: 5,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.77 : 10,218.60 = 4,217.99 : x
  2. Step 2: Convert to fraction form
    7,404.77/10,218.60 = 4,217.99/x
  3. Step 3: Cross multiply
    7,404.77x = 10,218.60 × 4,217.99
  4. Step 4: Simplify right side
    7,404.77x = 43,101,901.52
  5. Step 5: Solve for x
    x = 43,101,901.52/7,404.77
  6. Step 6: Final answer
    x = 5,820.83

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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.