Home / 4,260.14-6,390.24-1,486.80

Finding the Fourth Proportional to 4,260.14, 6,390.24 and 1,486.80

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Solution

The fourth proportional to 4,260.14, 6,390.24 and 1,486.80 is: 2,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.14 : 6,390.24 = 1,486.80 : x
  2. Step 2: Convert to fraction form
    4,260.14/6,390.24 = 1,486.80/x
  3. Step 3: Cross multiply
    4,260.14x = 6,390.24 × 1,486.80
  4. Step 4: Simplify right side
    4,260.14x = 9,501,008.83
  5. Step 5: Solve for x
    x = 9,501,008.83/4,260.14
  6. Step 6: Final answer
    x = 2,230.21

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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.