Home / 4,069.65-5,615.39-2,277.17

Finding the Fourth Proportional to 4,069.65, 5,615.39 and 2,277.17

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Solution

The fourth proportional to 4,069.65, 5,615.39 and 2,277.17 is: 3,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.65 : 5,615.39 = 2,277.17 : x
  2. Step 2: Convert to fraction form
    4,069.65/5,615.39 = 2,277.17/x
  3. Step 3: Cross multiply
    4,069.65x = 5,615.39 × 2,277.17
  4. Step 4: Simplify right side
    4,069.65x = 12,787,158.18
  5. Step 5: Solve for x
    x = 12,787,158.18/4,069.65
  6. Step 6: Final answer
    x = 3,142.08

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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.