Home / 4,906.21-7,358.10-1,395.40

Finding the Fourth Proportional to 4,906.21, 7,358.10 and 1,395.40

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Solution

The fourth proportional to 4,906.21, 7,358.10 and 1,395.40 is: 2,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.21 : 7,358.10 = 1,395.40 : x
  2. Step 2: Convert to fraction form
    4,906.21/7,358.10 = 1,395.40/x
  3. Step 3: Cross multiply
    4,906.21x = 7,358.10 × 1,395.40
  4. Step 4: Simplify right side
    4,906.21x = 10,267,492.74
  5. Step 5: Solve for x
    x = 10,267,492.74/4,906.21
  6. Step 6: Final answer
    x = 2,092.75

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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.