Home / 6,721.85-9,276.11-3,737.51

Finding the Fourth Proportional to 6,721.85, 9,276.11 and 3,737.51

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Solution

The fourth proportional to 6,721.85, 9,276.11 and 3,737.51 is: 5,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.85 : 9,276.11 = 3,737.51 : x
  2. Step 2: Convert to fraction form
    6,721.85/9,276.11 = 3,737.51/x
  3. Step 3: Cross multiply
    6,721.85x = 9,276.11 × 3,737.51
  4. Step 4: Simplify right side
    6,721.85x = 34,669,507.51
  5. Step 5: Solve for x
    x = 34,669,507.51/6,721.85
  6. Step 6: Final answer
    x = 5,157.74

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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.