Home / 4,509.28-6,221.01-2,830.12

Finding the Fourth Proportional to 4,509.28, 6,221.01 and 2,830.12

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Solution

The fourth proportional to 4,509.28, 6,221.01 and 2,830.12 is: 3,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.28 : 6,221.01 = 2,830.12 : x
  2. Step 2: Convert to fraction form
    4,509.28/6,221.01 = 2,830.12/x
  3. Step 3: Cross multiply
    4,509.28x = 6,221.01 × 2,830.12
  4. Step 4: Simplify right side
    4,509.28x = 17,606,204.82
  5. Step 5: Solve for x
    x = 17,606,204.82/4,509.28
  6. Step 6: Final answer
    x = 3,904.44

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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.