Home / 4,014.36-5,538.58-2,689.40

Finding the Fourth Proportional to 4,014.36, 5,538.58 and 2,689.40

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Solution

The fourth proportional to 4,014.36, 5,538.58 and 2,689.40 is: 3,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014.36 : 5,538.58 = 2,689.40 : x
  2. Step 2: Convert to fraction form
    4,014.36/5,538.58 = 2,689.40/x
  3. Step 3: Cross multiply
    4,014.36x = 5,538.58 × 2,689.40
  4. Step 4: Simplify right side
    4,014.36x = 14,895,464.17
  5. Step 5: Solve for x
    x = 14,895,464.17/4,014.36
  6. Step 6: Final answer
    x = 3,710.55

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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.