Home / 4,071.40-6,107.10-2,606.20

Finding the Fourth Proportional to 4,071.40, 6,107.10 and 2,606.20

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Solution

The fourth proportional to 4,071.40, 6,107.10 and 2,606.20 is: 3,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.40 : 6,107.10 = 2,606.20 : x
  2. Step 2: Convert to fraction form
    4,071.40/6,107.10 = 2,606.20/x
  3. Step 3: Cross multiply
    4,071.40x = 6,107.10 × 2,606.20
  4. Step 4: Simplify right side
    4,071.40x = 15,916,324.02
  5. Step 5: Solve for x
    x = 15,916,324.02/4,071.40
  6. Step 6: Final answer
    x = 3,909.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.