Home / 4,420.30-6,629.42-1,953.77

Finding the Fourth Proportional to 4,420.30, 6,629.42 and 1,953.77

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Solution

The fourth proportional to 4,420.30, 6,629.42 and 1,953.77 is: 2,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.30 : 6,629.42 = 1,953.77 : x
  2. Step 2: Convert to fraction form
    4,420.30/6,629.42 = 1,953.77/x
  3. Step 3: Cross multiply
    4,420.30x = 6,629.42 × 1,953.77
  4. Step 4: Simplify right side
    4,420.30x = 12,952,361.91
  5. Step 5: Solve for x
    x = 12,952,361.91/4,420.30
  6. Step 6: Final answer
    x = 2,930.20

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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.