Home / 6,406.16-9,612.84-2,943.68

Finding the Fourth Proportional to 6,406.16, 9,612.84 and 2,943.68

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Solution

The fourth proportional to 6,406.16, 9,612.84 and 2,943.68 is: 4,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.16 : 9,612.84 = 2,943.68 : x
  2. Step 2: Convert to fraction form
    6,406.16/9,612.84 = 2,943.68/x
  3. Step 3: Cross multiply
    6,406.16x = 9,612.84 × 2,943.68
  4. Step 4: Simplify right side
    6,406.16x = 28,297,124.85
  5. Step 5: Solve for x
    x = 28,297,124.85/6,406.16
  6. Step 6: Final answer
    x = 4,417.17

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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.