Home / 4,429.37-6,639.89-1,505.60

Finding the Fourth Proportional to 4,429.37, 6,639.89 and 1,505.60

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Solution

The fourth proportional to 4,429.37, 6,639.89 and 1,505.60 is: 2,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.37 : 6,639.89 = 1,505.60 : x
  2. Step 2: Convert to fraction form
    4,429.37/6,639.89 = 1,505.60/x
  3. Step 3: Cross multiply
    4,429.37x = 6,639.89 × 1,505.60
  4. Step 4: Simplify right side
    4,429.37x = 9,996,977.66
  5. Step 5: Solve for x
    x = 9,996,977.66/4,429.37
  6. Step 6: Final answer
    x = 2,256.98

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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.