Home / 4,007.30-5,530.07-2,238.95

Finding the Fourth Proportional to 4,007.30, 5,530.07 and 2,238.95

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Solution

The fourth proportional to 4,007.30, 5,530.07 and 2,238.95 is: 3,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.30 : 5,530.07 = 2,238.95 : x
  2. Step 2: Convert to fraction form
    4,007.30/5,530.07 = 2,238.95/x
  3. Step 3: Cross multiply
    4,007.30x = 5,530.07 × 2,238.95
  4. Step 4: Simplify right side
    4,007.30x = 12,381,528.17
  5. Step 5: Solve for x
    x = 12,381,528.17/4,007.30
  6. Step 6: Final answer
    x = 3,089.75

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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.