Home / 4,814.10-6,644.43-3,135.78

Finding the Fourth Proportional to 4,814.10, 6,644.43 and 3,135.78

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Solution

The fourth proportional to 4,814.10, 6,644.43 and 3,135.78 is: 4,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.10 : 6,644.43 = 3,135.78 : x
  2. Step 2: Convert to fraction form
    4,814.10/6,644.43 = 3,135.78/x
  3. Step 3: Cross multiply
    4,814.10x = 6,644.43 × 3,135.78
  4. Step 4: Simplify right side
    4,814.10x = 20,835,470.71
  5. Step 5: Solve for x
    x = 20,835,470.71/4,814.10
  6. Step 6: Final answer
    x = 4,328.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.