Home / 6,943.02-10,404.09-2,778.90

Finding the Fourth Proportional to 6,943.02, 10,404.09 and 2,778.90

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Solution

The fourth proportional to 6,943.02, 10,404.09 and 2,778.90 is: 4,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.02 : 10,404.09 = 2,778.90 : x
  2. Step 2: Convert to fraction form
    6,943.02/10,404.09 = 2,778.90/x
  3. Step 3: Cross multiply
    6,943.02x = 10,404.09 × 2,778.90
  4. Step 4: Simplify right side
    6,943.02x = 28,911,925.70
  5. Step 5: Solve for x
    x = 28,911,925.70/6,943.02
  6. Step 6: Final answer
    x = 4,164.17

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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.