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Finding the Fourth Proportional to 4,294.72, 5,926.30 and 2,406.20

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Solution

The fourth proportional to 4,294.72, 5,926.30 and 2,406.20 is: 3,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.72 : 5,926.30 = 2,406.20 : x
  2. Step 2: Convert to fraction form
    4,294.72/5,926.30 = 2,406.20/x
  3. Step 3: Cross multiply
    4,294.72x = 5,926.30 × 2,406.20
  4. Step 4: Simplify right side
    4,294.72x = 14,259,863.06
  5. Step 5: Solve for x
    x = 14,259,863.06/4,294.72
  6. Step 6: Final answer
    x = 3,320.32

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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.