Home / 6,739.89-9,302.27-3,909.08

Finding the Fourth Proportional to 6,739.89, 9,302.27 and 3,909.08

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Solution

The fourth proportional to 6,739.89, 9,302.27 and 3,909.08 is: 5,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.89 : 9,302.27 = 3,909.08 : x
  2. Step 2: Convert to fraction form
    6,739.89/9,302.27 = 3,909.08/x
  3. Step 3: Cross multiply
    6,739.89x = 9,302.27 × 3,909.08
  4. Step 4: Simplify right side
    6,739.89x = 36,363,317.61
  5. Step 5: Solve for x
    x = 36,363,317.61/6,739.89
  6. Step 6: Final answer
    x = 5,395.24

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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.