Home / 4,946.63-7,420.35-2,172.92

Finding the Fourth Proportional to 4,946.63, 7,420.35 and 2,172.92

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Solution

The fourth proportional to 4,946.63, 7,420.35 and 2,172.92 is: 3,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.63 : 7,420.35 = 2,172.92 : x
  2. Step 2: Convert to fraction form
    4,946.63/7,420.35 = 2,172.92/x
  3. Step 3: Cross multiply
    4,946.63x = 7,420.35 × 2,172.92
  4. Step 4: Simplify right side
    4,946.63x = 16,123,826.92
  5. Step 5: Solve for x
    x = 16,123,826.92/4,946.63
  6. Step 6: Final answer
    x = 3,259.56

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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.