Home / 6,406.04-8,839.96-3,717.05

Finding the Fourth Proportional to 6,406.04, 8,839.96 and 3,717.05

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Solution

The fourth proportional to 6,406.04, 8,839.96 and 3,717.05 is: 5,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.04 : 8,839.96 = 3,717.05 : x
  2. Step 2: Convert to fraction form
    6,406.04/8,839.96 = 3,717.05/x
  3. Step 3: Cross multiply
    6,406.04x = 8,839.96 × 3,717.05
  4. Step 4: Simplify right side
    6,406.04x = 32,858,586.13
  5. Step 5: Solve for x
    x = 32,858,586.13/6,406.04
  6. Step 6: Final answer
    x = 5,129.31

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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.