Home / 4,260.58-6,390.90-1,487.24

Finding the Fourth Proportional to 4,260.58, 6,390.90 and 1,487.24

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Solution

The fourth proportional to 4,260.58, 6,390.90 and 1,487.24 is: 2,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.58 : 6,390.90 = 1,487.24 : x
  2. Step 2: Convert to fraction form
    4,260.58/6,390.90 = 1,487.24/x
  3. Step 3: Cross multiply
    4,260.58x = 6,390.90 × 1,487.24
  4. Step 4: Simplify right side
    4,260.58x = 9,504,830.08
  5. Step 5: Solve for x
    x = 9,504,830.08/4,260.58
  6. Step 6: Final answer
    x = 2,230.88

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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.