Home / 4,007.31-5,530.17-2,214.80

Finding the Fourth Proportional to 4,007.31, 5,530.17 and 2,214.80

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Solution

The fourth proportional to 4,007.31, 5,530.17 and 2,214.80 is: 3,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.31 : 5,530.17 = 2,214.80 : x
  2. Step 2: Convert to fraction form
    4,007.31/5,530.17 = 2,214.80/x
  3. Step 3: Cross multiply
    4,007.31x = 5,530.17 × 2,214.80
  4. Step 4: Simplify right side
    4,007.31x = 12,248,220.52
  5. Step 5: Solve for x
    x = 12,248,220.52/4,007.31
  6. Step 6: Final answer
    x = 3,056.47

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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.