Home / 5,602.77-8,404.43-2,139.75

Finding the Fourth Proportional to 5,602.77, 8,404.43 and 2,139.75

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Solution

The fourth proportional to 5,602.77, 8,404.43 and 2,139.75 is: 3,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.77 : 8,404.43 = 2,139.75 : x
  2. Step 2: Convert to fraction form
    5,602.77/8,404.43 = 2,139.75/x
  3. Step 3: Cross multiply
    5,602.77x = 8,404.43 × 2,139.75
  4. Step 4: Simplify right side
    5,602.77x = 17,983,368.39
  5. Step 5: Solve for x
    x = 17,983,368.39/5,602.77
  6. Step 6: Final answer
    x = 3,209.73

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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.