Home / 6,722.07-9,276.60-3,737.85

Finding the Fourth Proportional to 6,722.07, 9,276.60 and 3,737.85

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Solution

The fourth proportional to 6,722.07, 9,276.60 and 3,737.85 is: 5,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.07 : 9,276.60 = 3,737.85 : x
  2. Step 2: Convert to fraction form
    6,722.07/9,276.60 = 3,737.85/x
  3. Step 3: Cross multiply
    6,722.07x = 9,276.60 × 3,737.85
  4. Step 4: Simplify right side
    6,722.07x = 34,674,539.31
  5. Step 5: Solve for x
    x = 34,674,539.31/6,722.07
  6. Step 6: Final answer
    x = 5,158.31

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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.