Home / 6,721.63-9,275.77-3,737.36

Finding the Fourth Proportional to 6,721.63, 9,275.77 and 3,737.36

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Solution

The fourth proportional to 6,721.63, 9,275.77 and 3,737.36 is: 5,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.63 : 9,275.77 = 3,737.36 : x
  2. Step 2: Convert to fraction form
    6,721.63/9,275.77 = 3,737.36/x
  3. Step 3: Cross multiply
    6,721.63x = 9,275.77 × 3,737.36
  4. Step 4: Simplify right side
    6,721.63x = 34,666,891.77
  5. Step 5: Solve for x
    x = 34,666,891.77/6,721.63
  6. Step 6: Final answer
    x = 5,157.51

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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.