Home / 4,087.04-5,643.27-3,141.32

Finding the Fourth Proportional to 4,087.04, 5,643.27 and 3,141.32

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Solution

The fourth proportional to 4,087.04, 5,643.27 and 3,141.32 is: 4,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.04 : 5,643.27 = 3,141.32 : x
  2. Step 2: Convert to fraction form
    4,087.04/5,643.27 = 3,141.32/x
  3. Step 3: Cross multiply
    4,087.04x = 5,643.27 × 3,141.32
  4. Step 4: Simplify right side
    4,087.04x = 17,727,288.70
  5. Step 5: Solve for x
    x = 17,727,288.70/4,087.04
  6. Step 6: Final answer
    x = 4,337.44

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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.