Home / 4,071.30-5,614.65-3,127.14

Finding the Fourth Proportional to 4,071.30, 5,614.65 and 3,127.14

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Solution

The fourth proportional to 4,071.30, 5,614.65 and 3,127.14 is: 4,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.30 : 5,614.65 = 3,127.14 : x
  2. Step 2: Convert to fraction form
    4,071.30/5,614.65 = 3,127.14/x
  3. Step 3: Cross multiply
    4,071.30x = 5,614.65 × 3,127.14
  4. Step 4: Simplify right side
    4,071.30x = 17,557,796.60
  5. Step 5: Solve for x
    x = 17,557,796.60/4,071.30
  6. Step 6: Final answer
    x = 4,312.58

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Half scale
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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.