Home / 4,140.02-6,210.79-1,366.88

Finding the Fourth Proportional to 4,140.02, 6,210.79 and 1,366.88

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Solution

The fourth proportional to 4,140.02, 6,210.79 and 1,366.88 is: 2,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.02 : 6,210.79 = 1,366.88 : x
  2. Step 2: Convert to fraction form
    4,140.02/6,210.79 = 1,366.88/x
  3. Step 3: Cross multiply
    4,140.02x = 6,210.79 × 1,366.88
  4. Step 4: Simplify right side
    4,140.02x = 8,489,404.64
  5. Step 5: Solve for x
    x = 8,489,404.64/4,140.02
  6. Step 6: Final answer
    x = 2,050.57

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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.