Home / 4,420.05-6,629.40-1,299.32

Finding the Fourth Proportional to 4,420.05, 6,629.40 and 1,299.32

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Solution

The fourth proportional to 4,420.05, 6,629.40 and 1,299.32 is: 1,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.05 : 6,629.40 = 1,299.32 : x
  2. Step 2: Convert to fraction form
    4,420.05/6,629.40 = 1,299.32/x
  3. Step 3: Cross multiply
    4,420.05x = 6,629.40 × 1,299.32
  4. Step 4: Simplify right side
    4,420.05x = 8,613,712.01
  5. Step 5: Solve for x
    x = 8,613,712.01/4,420.05
  6. Step 6: Final answer
    x = 1,948.78

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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.